201021112100212 has 24 divisors (see below), whose sum is σ = 353891011576032. Its totient is φ = 99909626412000.

The previous prime is 201021112100201. The next prime is 201021112100219. The reversal of 201021112100212 is 212001211120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021112100219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25517914 + ... + 32453137.

It is an arithmetic number, because the mean of its divisors is an integer number (14745458815668).

Almost surely, 2^{201021112100212} is an apocalyptic number.

It is an amenable number.

201021112100212 is a deficient number, since it is larger than the sum of its proper divisors (152869899475820).

201021112100212 is a wasteful number, since it uses less digits than its factorization.

201021112100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57976239 (or 57976237 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201021112100212 its reverse (212001211120102), we get a palindrome (413022323220314).

The spelling of 201021112100212 in words is "two hundred one trillion, twenty-one billion, one hundred twelve million, one hundred thousand, two hundred twelve".