113555500141221 has 24 divisors (see below), whose sum is σ = 169294311756960. Its totient is φ = 73309799208096.

The previous prime is 113555500141177. The next prime is 113555500141261. The reversal of 113555500141221 is 122141005555311.

113555500141221 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 5 + 5 + 500 + 141 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 113555500141221 - 2²¹ = 113555498044069 is a prime.

It is a super-2 number, since 2×113555500141221² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113555500141261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1595876110 + ... + 1595947263.

It is an arithmetic number, because the mean of its divisors is an integer number (7053929656540).

Almost surely, 2^{113555500141221} is an apocalyptic number.

It is an amenable number.

113555500141221 is a deficient number, since it is larger than the sum of its proper divisors (55738811615739).

113555500141221 is a wasteful number, since it uses less digits than its factorization.

113555500141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191823505 (or 3191823502 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 113555500141221 its reverse (122141005555311), we get a palindrome (235696505696532).

The spelling of 113555500141221 in words is "one hundred thirteen trillion, five hundred fifty-five billion, five hundred million, one hundred forty-one thousand, two hundred twenty-one".