111021000012212 has 12 divisors (see below), whose sum is σ = 194288041271520. Its totient is φ = 55510131077496.

The previous prime is 111021000012137. The next prime is 111021000012229. The reversal of 111021000012212 is 212210000120111.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 91554512 + ... + 92759207.

It is an arithmetic number, because the mean of its divisors is an integer number (16190670105960).

Almost surely, 2^{111021000012212} is an apocalyptic number.

It is an amenable number.

111021000012212 is a deficient number, since it is larger than the sum of its proper divisors (83267041259308).

111021000012212 is a wasteful number, since it uses less digits than its factorization.

111021000012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184464310 (or 184464308 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111021000012212 its reverse (212210000120111), we get a palindrome (323231000132323).

The spelling of 111021000012212 in words is "one hundred eleven trillion, twenty-one billion, twelve thousand, two hundred twelve".