212021113112 has 8 divisors (see below), whose sum is σ = 397539587100. Its totient is φ = 106010556552.

The previous prime is 212021113079. The next prime is 212021113163. The reversal of 212021113112 is 211311120212.

It is a happy number.

212021113112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13251319562 + ... + 13251319577.

Almost surely, 2^212021113112 is an apocalyptic number.

It is an amenable number.

212021113112 is a deficient number, since it is larger than the sum of its proper divisors (185518473988).

212021113112 is a wasteful number, since it uses less digits than its factorization.

212021113112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26502639145 (or 26502639141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 212021113112 its reverse (211311120212), we get a palindrome (423332233324).

The spelling of 212021113112 in words is "two hundred twelve billion, twenty-one million, one hundred thirteen thousand, one hundred twelve".