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11100110120020 = 2251793100589419
BaseRepresentation
bin1010000110000111001000…
…0111101110010001010100
31110022011022202111200211101
42201201302013232101110
52423331011142320040
635335153054515444
72223646035153415
oct241416207562124
943264282450741
1011100110120020
11359a591868899
1212b3338505b84
136269749ab66c
142a536909d80c
15143b153e709a
hexa18721ee454

11100110120020 has 24 divisors (see below), whose sum is σ = 23440456015200. Its totient is φ = 4415239331232.

The previous prime is 11100110119993. The next prime is 11100110120089. The reversal of 11100110120020 is 2002101100111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11100110119979 and 11100110120006.

It is a congruent number.

It is an unprimeable number.

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, 1550291130 + ... + 1550298289.

It is an arithmetic number, because the mean of its divisors is an integer number (976685667300).

Almost surely, 211100110120020 is an apocalyptic number.

11100110120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100110120020 is an abundant number, since it is smaller than the sum of its proper divisors (12340345895180).

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

11100110120020 is a wasteful number, since it uses less digits than its factorization.

11100110120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3100589607 (or 3100589605 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11100110120020 its reverse (2002101100111), we get a palindrome (13102211220131).

The spelling of 11100110120020 in words is "eleven trillion, one hundred billion, one hundred ten million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1790 3580 3100589419 6201178838 12402357676 15502947095 31005894190 62011788380 555005506001 1110011012002 2220022024004 2775027530005 5550055060010 11100110120020