210111022012012 has 36 divisors (see below), whose sum is σ = 404161360946280. Its totient is φ = 95504650077760.

The previous prime is 210111022011991. The next prime is 210111022012013. The reversal of 210111022012012 is 210210220111012.

It is not an unprimeable number, because it can be changed into a prime (210111022012013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160621743 + ... + 161924569.

It is an arithmetic number, because the mean of its divisors is an integer number (11226704470730).

Almost surely, 2^{210111022012012} is an apocalyptic number.

210111022012012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210111022012012 is a deficient number, since it is larger than the sum of its proper divisors (194050338934268).

210111022012012 is a wasteful number, since it uses less digits than its factorization.

210111022012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636062 (or 1636049 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210111022012012 its reverse (210210220111012), we get a palindrome (420321242123024).

The spelling of 210111022012012 in words is "two hundred ten trillion, one hundred eleven billion, twenty-two million, twelve thousand, twelve".