210111201012012 has 24 divisors (see below), whose sum is σ = 490283991143856. Its totient is φ = 70033563844608.

The previous prime is 210111201011977. The next prime is 210111201012043. The reversal of 210111201012012 is 210210102111012.

It is a happy number.

It is a super-2 number, since 2×210111201012012² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210111201011982 and 210111201012000.

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, 437645013 + ... + 438124844.

It is an arithmetic number, because the mean of its divisors is an integer number (20428499630994).

Almost surely, 2^{210111201012012} is an apocalyptic number.

It is an amenable number.

210111201012012 is an abundant number, since it is smaller than the sum of its proper divisors (280172790131844).

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

210111201012012 is a wasteful number, since it uses less digits than its factorization.

210111201012012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875789857 (or 875789855 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210111201012012 its reverse (210210102111012), we get a palindrome (420321303123024).

The spelling of 210111201012012 in words is "two hundred ten trillion, one hundred eleven billion, two hundred one million, twelve thousand, twelve".