112120202221000 has 128 divisors (see below), whose sum is σ = 278797168447200. Its totient is φ = 42057574195200.

The previous prime is 112120202220869. The next prime is 112120202221009. The reversal of 112120202221000 is 122202021211.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 549190673476 + 111571011547524 = 741074^2 + 10562718^2 .

It is not an unprimeable number, because it can be changed into a prime (112120202221009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7195885 + ... + 16613884.

Almost surely, 2^{112120202221000} is an apocalyptic number.

112120202221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112120202221000 is an abundant number, since it is smaller than the sum of its proper divisors (166676966226200).

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

112120202221000 is a wasteful number, since it uses less digits than its factorization.

112120202221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23810084 (or 23810070 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112120202221000 its reverse (122202021211), we get a palindrome (112242404242211).

The spelling of 112120202221000 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred two million, two hundred twenty-one thousand".