210111202111012 has 24 divisors (see below), whose sum is σ = 371753199212472. Its totient is φ = 103900035724800.

The previous prime is 210111202110973. The next prime is 210111202111121.

210111202111012 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 4040124120036 + 206071077990976 = 2010006^2 + 14355176^2 .

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, 503964939 + ... + 504381682.

It is an arithmetic number, because the mean of its divisors is an integer number (15489716633853).

Almost surely, 2^{210111202111012} is an apocalyptic number.

It is an amenable number.

210111202111012 is a deficient number, since it is larger than the sum of its proper divisors (161641997101460).

210111202111012 is a wasteful number, since it uses less digits than its factorization.

210111202111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008347199 (or 1008347197 counting only the distinct ones).

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

It can be divided in two parts, 21011120 and 2111012, that added together give a palindrome (23122132).

The spelling of 210111202111012 in words is "two hundred ten trillion, one hundred eleven billion, two hundred two million, one hundred eleven thousand, twelve".