112121222100210 has 24 divisors (see below), whose sum is σ = 291515177460780. Its totient is φ = 29898992560032.

The previous prime is 112121222100191. The next prime is 112121222100227. The reversal of 112121222100210 is 12001222121211.

112121222100210 is a `hidden beast` number, since 1 + 1 + 21 + 212 + 221 + 0 + 0 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 107525099263761 + 4596122836449 = 10369431^2 + 2143857^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622895678245 + ... + 622895678424.

Almost surely, 2^{112121222100210} is an apocalyptic number.

112121222100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112121222100210 is an abundant number, since it is smaller than the sum of its proper divisors (179393955360570).

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

112121222100210 is a wasteful number, since it uses less digits than its factorization.

112121222100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245791356682 (or 1245791356679 counting only the distinct ones).

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

Adding to 112121222100210 its reverse (12001222121211), we get a palindrome (124122444221421).

The spelling of 112121222100210 in words is "one hundred twelve trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, two hundred ten".