211120012100 has 36 divisors (see below), whose sum is σ = 461737780224. Its totient is φ = 83783054880.

The previous prime is 211120012091. The next prime is 211120012111. The reversal of 211120012100 is 1210021112.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8299112 + ... + 8324511.

Almost surely, 2^211120012100 is an apocalyptic number.

211120012100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211120012100 is an abundant number, since it is smaller than the sum of its proper divisors (250617768124).

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

211120012100 is a wasteful number, since it uses less digits than its factorization.

211120012100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623764 (or 16623757 counting only the distinct ones).

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

Adding to 211120012100 its reverse (1210021112), we get a palindrome (212330033212).

The spelling of 211120012100 in words is "two hundred eleven billion, one hundred twenty million, twelve thousand, one hundred".