201021100112 has 20 divisors (see below), whose sum is σ = 445118150496. Its totient is φ = 86151900000.

The previous prime is 201021100097. The next prime is 201021100123. The reversal of 201021100112 is 211001120102.

It is a junction number, because it is equal to n+sod(n) for n = 201021100093 and 201021100102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897415514 + ... + 897415737.

Almost surely, 2^201021100112 is an apocalyptic number.

It is an amenable number.

201021100112 is an abundant number, since it is smaller than the sum of its proper divisors (244097050384).

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

201021100112 is a wasteful number, since it uses less digits than its factorization.

201021100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794831266 (or 1794831260 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 201021100112 its reverse (211001120102), we get a palindrome (412022220214).

The spelling of 201021100112 in words is "two hundred one billion, twenty-one million, one hundred thousand, one hundred twelve".