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22111121120020 = 2255879188051719
BaseRepresentation
bin1010000011100001001011…
…00001010001101100010100
32220021210200001022010112121
411001300211201101230110
510344232034001320040
6115005413034225324
74441322123325622
oct501604541215424
986253601263477
1022111121120020
117055301488aa9
122591349885244
13c450ba3abb1a
14566280b6a512
152852635b4c4a
hex141c25851b14

22111121120020 has 24 divisors (see below), whose sum is σ = 46441252771200. Its totient is φ = 8842943987232.

The previous prime is 22111121119999. The next prime is 22111121120021. The reversal of 22111121120020 is 2002112111122.

22111121120020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 22111121119976 and 22111121120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111121120021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93908280 + ... + 94143439.

It is an arithmetic number, because the mean of its divisors is an integer number (1935052198800).

Almost surely, 222111121120020 is an apocalyptic number.

22111121120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111121120020 is an abundant number, since it is smaller than the sum of its proper divisors (24330131651180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111121120020 is a wasteful number, since it uses less digits than its factorization.

22111121120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188057607 (or 188057605 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22111121120020 its reverse (2002112111122), we get a palindrome (24113233231142).

The spelling of 22111121120020 in words is "twenty-two trillion, one hundred eleven billion, one hundred twenty-one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 5879 11758 23516 29395 58790 117580 188051719 376103438 752206876 940258595 1880517190 3761034380 1105556056001 2211112112002 4422224224004 5527780280005 11055560560010 22111121120020