210211112220120 has 192 divisors, whose sum is σ = 789134763774240. Its totient is φ = 47962606694400.

The previous prime is 210211112220119. The next prime is 210211112220211. The reversal of 210211112220120 is 21022211112012.

210211112220120 is a `hidden beast` number, since 2 + 1 + 0 + 211 + 112 + 220 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210211112220093 and 210211112220102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1561215451 + ... + 1561350090.

Almost surely, 2^{210211112220120} is an apocalyptic number.

210211112220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211112220120 is an abundant number, since it is smaller than the sum of its proper divisors (578923651554120).

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

210211112220120 is a wasteful number, since it uses less digits than its factorization.

210211112220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122565586 (or 3122565579 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210211112220120 its reverse (21022211112012), we get a palindrome (231233323332132).

The spelling of 210211112220120 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty".