201002021112 has 64 divisors (see below), whose sum is σ = 509985504000. Its totient is φ = 66005432064.

The previous prime is 201002021089. The next prime is 201002021113. The reversal of 201002021112 is 211120200102.

It is a super-2 number, since 2×201002021112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201002021113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1438189 + ... + 1571747.

It is an arithmetic number, because the mean of its divisors is an integer number (7968523500).

Almost surely, 2^201002021112 is an apocalyptic number.

It is an amenable number.

201002021112 is an abundant number, since it is smaller than the sum of its proper divisors (308983482888).

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

201002021112 is a wasteful number, since it uses less digits than its factorization.

201002021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134500 (or 134496 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201002021112 its reverse (211120200102), we get a palindrome (412122221214).

The spelling of 201002021112 in words is "two hundred one billion, two million, twenty-one thousand, one hundred twelve".