20100210111120 has 80 divisors (see below), whose sum is σ = 62582750429760. Its totient is φ = 5336649656832.

The previous prime is 20100210111103. The next prime is 20100210111127. The reversal of 20100210111120 is 2111101200102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×20100210111120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20100210111096 and 20100210111105.

It is not an unprimeable number, because it can be changed into a prime (20100210111127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182807214 + ... + 182917133.

It is an arithmetic number, because the mean of its divisors is an integer number (782284380372).

Almost surely, 2^{20100210111120} is an apocalyptic number.

20100210111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20100210111120 is an abundant number, since it is smaller than the sum of its proper divisors (42482540318640).

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

20100210111120 is a wasteful number, since it uses less digits than its factorization.

20100210111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365724592 (or 365724586 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20100210111120 its reverse (2111101200102), we get a palindrome (22211311311222).

The spelling of 20100210111120 in words is "twenty trillion, one hundred billion, two hundred ten million, one hundred eleven thousand, one hundred twenty".