202111211112 has 32 divisors (see below), whose sum is σ = 505649364480. Its totient is φ = 67320892160.

The previous prime is 202111211087. The next prime is 202111211131. The reversal of 202111211112 is 211112111202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202111211091 and 202111211100.

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, 3061128 + ... + 3126455.

It is an arithmetic number, because the mean of its divisors is an integer number (15801542640).

Almost surely, 2^202111211112 is an apocalyptic number.

It is an amenable number.

202111211112 is an abundant number, since it is smaller than the sum of its proper divisors (303538153368).

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

202111211112 is a wasteful number, since it uses less digits than its factorization.

202111211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6188953 (or 6188949 counting only the distinct ones).

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

Adding to 202111211112 its reverse (211112111202), we get a palindrome (413223322314).

The spelling of 202111211112 in words is "two hundred two billion, one hundred eleven million, two hundred eleven thousand, one hundred twelve".