211202010021120 has 72 divisors (see below), whose sum is σ = 674526419517216. Its totient is φ = 56320536004608.

The previous prime is 211202010021089. The next prime is 211202010021173. The reversal of 211202010021120 is 21120010202112.

It is a super-2 number, since 2×211202010021120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211202010021120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27500257882 + ... + 27500265561.

Almost surely, 2^{211202010021120} is an apocalyptic number.

211202010021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211202010021120 is an abundant number, since it is smaller than the sum of its proper divisors (463324409496096).

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

211202010021120 is an equidigital number, since it uses as much as digits as its factorization.

211202010021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000523467 (or 55000523453 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211202010021120 its reverse (21120010202112), we get a palindrome (232322020223232).

The spelling of 211202010021120 in words is "two hundred eleven trillion, two hundred two billion, ten million, twenty-one thousand, one hundred twenty".