202120101112 has 16 divisors (see below), whose sum is σ = 378996273000. Its totient is φ = 101054428320.

The previous prime is 202120101097. The next prime is 202120101119. The reversal of 202120101112 is 211101021202.

It is a junction number, because it is equal to n+sod(n) for n = 202120101092 and 202120101101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120101119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547987 + ... + 839362.

Almost surely, 2^202120101112 is an apocalyptic number.

It is an amenable number.

202120101112 is a deficient number, since it is larger than the sum of its proper divisors (176876171888).

202120101112 is a wasteful number, since it uses less digits than its factorization.

202120101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405566 (or 1405562 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202120101112 its reverse (211101021202), we get a palindrome (413221122314).

The spelling of 202120101112 in words is "two hundred two billion, one hundred twenty million, one hundred one thousand, one hundred twelve".