210111111211012 has 24 divisors (see below), whose sum is σ = 410449612601952. Its totient is φ = 93284002862400.

The previous prime is 210111111210991. The next prime is 210111111211013. The reversal of 210111111211012 is 210112111111012.

It is not an unprimeable number, because it can be changed into a prime (210111111211013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55526190289 + ... + 55526194072.

It is an arithmetic number, because the mean of its divisors is an integer number (17102067191748).

Almost surely, 2^{210111111211012} is an apocalyptic number.

210111111211012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210111111211012 is a deficient number, since it is larger than the sum of its proper divisors (200338501390940).

210111111211012 is a wasteful number, since it uses less digits than its factorization.

210111111211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111052384419 (or 111052384417 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 210111111211012 its reverse (210112111111012), we get a palindrome (420223222322024).

The spelling of 210111111211012 in words is "two hundred ten trillion, one hundred eleven billion, one hundred eleven million, two hundred eleven thousand, twelve".