211320100022120 has 64 divisors (see below), whose sum is σ = 504315546292800. Its totient is φ = 79467904189440.

The previous prime is 211320100022021. The next prime is 211320100022131. The reversal of 211320100022120 is 21220001023112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1061170529 + ... + 1061369648.

It is an arithmetic number, because the mean of its divisors is an integer number (7879930410825).

Almost surely, 2^{211320100022120} is an apocalyptic number.

211320100022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211320100022120 is an abundant number, since it is smaller than the sum of its proper divisors (292995446270680).

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

211320100022120 is a wasteful number, since it uses less digits than its factorization.

211320100022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122540338 (or 2122540334 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 211320100022120 its reverse (21220001023112), we get a palindrome (232540101045232).

The spelling of 211320100022120 in words is "two hundred eleven trillion, three hundred twenty billion, one hundred million, twenty-two thousand, one hundred twenty".