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22111231011001 = 1119105795363689
BaseRepresentation
bin1010000011100001011000…
…00100011110100010111001
32220021210221201002011121221
411001300230010132202321
510344232300114323001
6115005432001432041
74441324626354526
oct501605404364271
986253851064557
1022111231011001
1170553585157a0
12259137a63b621
13c451070a6682
145662915b414d
1528526d0701a1
hex141c2c11e8b9

22111231011001 has 8 divisors (see below), whose sum is σ = 25390887285600. Its totient is φ = 19043165463840.

The previous prime is 22111231010971. The next prime is 22111231011029. The reversal of 22111231011001 is 10011013211122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22111231011001 - 211 = 22111231008953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111231011031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52897681636 + ... + 52897682053.

It is an arithmetic number, because the mean of its divisors is an integer number (3173860910700).

Almost surely, 222111231011001 is an apocalyptic number.

It is an amenable number.

22111231011001 is a deficient number, since it is larger than the sum of its proper divisors (3279656274599).

22111231011001 is a wasteful number, since it uses less digits than its factorization.

22111231011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105795363719.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 22111231011001 its reverse (10011013211122), we get a palindrome (32122244222123).

The spelling of 22111231011001 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-one million, eleven thousand, one".

Divisors: 1 11 19 209 105795363689 1163749000579 2010111910091 22111231011001