221125124530110 has 32 divisors (see below), whose sum is σ = 545043550195872. Its totient is φ = 57373005283200.

The previous prime is 221125124530087. The next prime is 221125124530111. The reversal of 221125124530110 is 11035421521122.

It is a super-2 number, since 2×221125124530110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221125124530111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99605910841 + ... + 99605913060.

It is an arithmetic number, because the mean of its divisors is an integer number (17032610943621).

Almost surely, 2^{221125124530110} is an apocalyptic number.

221125124530110 is an abundant number, since it is smaller than the sum of its proper divisors (323918425665762).

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

221125124530110 is a wasteful number, since it uses less digits than its factorization.

221125124530110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199211823948.

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 221125124530110 in words is "two hundred twenty-one trillion, one hundred twenty-five billion, one hundred twenty-four million, five hundred thirty thousand, one hundred ten".