211012112121100 has 36 divisors (see below), whose sum is σ = 460928709053008. Its totient is φ = 83845872360000.

The previous prime is 211012112121067. The next prime is 211012112121101. The reversal of 211012112121100 is 1121211210112.

It is a super-2 number, since 2×211012112121100² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211012112121101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6987140931 + ... + 6987171130.

Almost surely, 2^{211012112121100} is an apocalyptic number.

211012112121100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211012112121100 is an abundant number, since it is smaller than the sum of its proper divisors (249916596931908).

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

211012112121100 is a wasteful number, since it uses less digits than its factorization.

211012112121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13974312226 (or 13974312219 counting only the distinct ones).

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

Adding to 211012112121100 its reverse (1121211210112), we get a palindrome (212133323331212).

The spelling of 211012112121100 in words is "two hundred eleven trillion, twelve billion, one hundred twelve million, one hundred twenty-one thousand, one hundred".