211101002120 has 32 divisors (see below), whose sum is σ = 495628441920. Its totient is φ = 80769078720.

The previous prime is 211101002107. The next prime is 211101002131. The reversal of 211101002120 is 21200101112.

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, 114727886 + ... + 114729725.

It is an arithmetic number, because the mean of its divisors is an integer number (15488388810).

Almost surely, 2^211101002120 is an apocalyptic number.

211101002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211101002120 is an abundant number, since it is smaller than the sum of its proper divisors (284527439800).

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

211101002120 is a wasteful number, since it uses less digits than its factorization.

211101002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229457645 (or 229457641 counting only the distinct ones).

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

Adding to 211101002120 its reverse (21200101112), we get a palindrome (232301103232).

The spelling of 211101002120 in words is "two hundred eleven billion, one hundred one million, two thousand, one hundred twenty".