113220144200 has 24 divisors (see below), whose sum is σ = 263236835730. Its totient is φ = 45288057600.

The previous prime is 113220144197. The next prime is 113220144269. The reversal of 113220144200 is 2441022311.

It can be written as a sum of positive squares in 3 ways, for example, as 106418183524 + 6801960676 = 326218^2 + 82474^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283050161 + ... + 283050560.

Almost surely, 2^113220144200 is an apocalyptic number.

113220144200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113220144200 is an abundant number, since it is smaller than the sum of its proper divisors (150016691530).

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

113220144200 is a wasteful number, since it uses less digits than its factorization.

113220144200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566100737 (or 566100728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 113220144200 its reverse (2441022311), we get a palindrome (115661166511).

The spelling of 113220144200 in words is "one hundred thirteen billion, two hundred twenty million, one hundred forty-four thousand, two hundred".