210111020012 has 6 divisors (see below), whose sum is σ = 367694285028. Its totient is φ = 105055510004.

The previous prime is 210111019949. The next prime is 210111020111. The reversal of 210111020012 is 210020111012.

It is a junction number, because it is equal to n+sod(n) for n = 210111019975 and 210111020002.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26263877498 + ... + 26263877505.

It is an arithmetic number, because the mean of its divisors is an integer number (61282380838).

Almost surely, 2^210111020012 is an apocalyptic number.

It is an amenable number.

210111020012 is a deficient number, since it is larger than the sum of its proper divisors (157583265016).

210111020012 is a wasteful number, since it uses less digits than its factorization.

210111020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52527755007 (or 52527755005 counting only the distinct ones).

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

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

The spelling of 210111020012 in words is "two hundred ten billion, one hundred eleven million, twenty thousand, twelve".