221124631732055 has 32 divisors (see below), whose sum is σ = 267072358766400. Its totient is φ = 175752656481280.

The previous prime is 221124631732033. The next prime is 221124631732111. The reversal of 221124631732055 is 550237136421122.

It is a happy number.

It is not a de Polignac number, because 221124631732055 - 2¹⁴ = 221124631715671 is a prime.

It is a super-2 number, since 2×221124631732055² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221124631731997 and 221124631732015.

It is a congruent number.

It is an unprimeable number.

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, 13153559600 + ... + 13153576410.

It is an arithmetic number, because the mean of its divisors is an integer number (8346011211450).

Almost surely, 2^{221124631732055} is an apocalyptic number.

221124631732055 is a deficient number, since it is larger than the sum of its proper divisors (45947727034345).

221124631732055 is a wasteful number, since it uses less digits than its factorization.

221124631732055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26851.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 221124631732055 in words is "two hundred twenty-one trillion, one hundred twenty-four billion, six hundred thirty-one million, seven hundred thirty-two thousand, fifty-five".