211112020120 has 32 divisors (see below), whose sum is σ = 476623239120. Its totient is φ = 84156595840.

The previous prime is 211112020103. The next prime is 211112020151. The reversal of 211112020120 is 21020211112.

It is a self number, because there is not a number n which added to its sum of digits gives 211112020120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8994766 + ... + 9018205.

Almost surely, 2^211112020120 is an apocalyptic number.

211112020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211112020120 is an abundant number, since it is smaller than the sum of its proper divisors (265511219000).

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

211112020120 is a wasteful number, since it uses less digits than its factorization.

211112020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013275 (or 18013271 counting only the distinct ones).

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

Adding to 211112020120 its reverse (21020211112), we get a palindrome (232132231232).

The spelling of 211112020120 in words is "two hundred eleven billion, one hundred twelve million, twenty thousand, one hundred twenty".