210112221111120 has 120 divisors (see below), whose sum is σ = 706633477989192. Its totient is φ = 55949996928000.

The previous prime is 210112221111011. The next prime is 210112221111139. The reversal of 210112221111120 is 21111122211012.

It is a happy number.

210112221111120 is a `hidden beast` number, since 210 + 1 + 1 + 2 + 221 + 111 + 120 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 73877944371984 + 136234276739136 = 8595228^2 + 11671944^2 .

It is a tau number, because it is divible by the number of its divisors (120).

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 = 210112221111093 and 210112221111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207642591 + ... + 208652030.

Almost surely, 2^{210112221111120} is an apocalyptic number.

210112221111120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210112221111120 is an abundant number, since it is smaller than the sum of its proper divisors (496521256878072).

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

210112221111120 is a wasteful number, since it uses less digits than its factorization.

210112221111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416295341 (or 416295332 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 210112221111120 its reverse (21111122211012), we get a palindrome (231223343322132).

The spelling of 210112221111120 in words is "two hundred ten trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty".