210111010212 has 24 divisors (see below), whose sum is σ = 492799231456. Its totient is φ = 69674116608.

The previous prime is 210111010201. The next prime is 210111010229. The reversal of 210111010212 is 212010111012.

It is a super-2 number, since 2×210111010212² (a number of 23 digits) contains 22 as substring.

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

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, 45358438 + ... + 45363069.

Almost surely, 2^210111010212 is an apocalyptic number.

It is an amenable number.

210111010212 is an abundant number, since it is smaller than the sum of its proper divisors (282688221244).

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

210111010212 is a wasteful number, since it uses less digits than its factorization.

210111010212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90721707 (or 90721705 counting only the distinct ones).

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

Adding to 210111010212 its reverse (212010111012), we get a palindrome (422121121224).

The spelling of 210111010212 in words is "two hundred ten billion, one hundred eleven million, ten thousand, two hundred twelve".