211021202210120 has 32 divisors (see below), whose sum is σ = 485839512069120. Its totient is φ = 82445492955840.

The previous prime is 211021202210041. The next prime is 211021202210141. The reversal of 211021202210120 is 21012202120112.

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, 61343371016 + ... + 61343374455.

It is an arithmetic number, because the mean of its divisors is an integer number (15182484752160).

Almost surely, 2^{211021202210120} is an apocalyptic number.

211021202210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211021202210120 is an abundant number, since it is smaller than the sum of its proper divisors (274818309859000).

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

211021202210120 is a wasteful number, since it uses less digits than its factorization.

211021202210120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122686745525 (or 122686745521 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211021202210120 its reverse (21012202120112), we get a palindrome (232033404330232).

The spelling of 211021202210120 in words is "two hundred eleven trillion, twenty-one billion, two hundred two million, two hundred ten thousand, one hundred twenty".