210020111012 has 48 divisors (see below), whose sum is σ = 387329185152. Its totient is φ = 99539531520.

The previous prime is 210020110991. The next prime is 210020111023. The reversal of 210020111012 is 210111020012.

It is a junction number, because it is equal to n+sod(n) for n = 210020110984 and 210020111002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777983 + ... + 1012569.

It is an arithmetic number, because the mean of its divisors is an integer number (8069358024).

Almost surely, 2^210020111012 is an apocalyptic number.

It is an amenable number.

210020111012 is a deficient number, since it is larger than the sum of its proper divisors (177309074140).

210020111012 is a wasteful number, since it uses less digits than its factorization.

210020111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234788 (or 234786 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210020111012 its reverse (210111020012), we get a palindrome (420131131024).

The spelling of 210020111012 in words is "two hundred ten billion, twenty million, one hundred eleven thousand, twelve".