113204422221400 has 96 divisors (see below), whose sum is σ = 264856891980240. Its totient is φ = 44996848565760.

The previous prime is 113204422221239. The next prime is 113204422221421. The reversal of 113204422221400 is 4122224402311.

It is a super-2 number, since 2×113204422221400² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 208270782 + ... + 208813618.

Almost surely, 2^{113204422221400} is an apocalyptic number.

113204422221400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113204422221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132428445990120).

113204422221400 is an abundant number, since it is smaller than the sum of its proper divisors (151652469758840).

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

113204422221400 is a wasteful number, since it uses less digits than its factorization.

113204422221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549413 (or 549404 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 113204422221400 its reverse (4122224402311), we get a palindrome (117326646623711).

The spelling of 113204422221400 in words is "one hundred thirteen trillion, two hundred four billion, four hundred twenty-two million, two hundred twenty-one thousand, four hundred".