210020012111120 has 40 divisors (see below), whose sum is σ = 488801488553664. Its totient is φ = 83921129937792.

The previous prime is 210020012111083. The next prime is 210020012111197. The reversal of 210020012111120 is 21111210020012.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 210020012111095 and 210020012111104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1357342574 + ... + 1357497293.

Almost surely, 2^{210020012111120} is an apocalyptic number.

210020012111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020012111120 is an abundant number, since it is smaller than the sum of its proper divisors (278781476442544).

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

210020012111120 is a wasteful number, since it uses less digits than its factorization.

210020012111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714840847 (or 2714840841 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210020012111120 its reverse (21111210020012), we get a palindrome (231131222131132).

The spelling of 210020012111120 in words is "two hundred ten trillion, twenty billion, twelve million, one hundred eleven thousand, one hundred twenty".