202111101112 has 8 divisors (see below), whose sum is σ = 378958314600. Its totient is φ = 101055550552.

The previous prime is 202111101061. The next prime is 202111101121. The reversal of 202111101112 is 211101111202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 202111101092 and 202111101101.

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, 12631943812 + ... + 12631943827.

It is an arithmetic number, because the mean of its divisors is an integer number (47369789325).

Almost surely, 2^202111101112 is an apocalyptic number.

It is an amenable number.

202111101112 is a deficient number, since it is larger than the sum of its proper divisors (176847213488).

202111101112 is a wasteful number, since it uses less digits than its factorization.

202111101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25263887645 (or 25263887641 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 202111101112 its reverse (211101111202), we get a palindrome (413212212314).

The spelling of 202111101112 in words is "two hundred two billion, one hundred eleven million, one hundred one thousand, one hundred twelve".