221321102103124 has 24 divisors (see below), whose sum is σ = 391868720163648. Its totient is φ = 109362986900160.

The previous prime is 221321102103107. The next prime is 221321102103131. The reversal of 221321102103124 is 421301201123122.

It is a super-2 number, since 2×221321102103124² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546831457 + ... + 547236040.

It is an arithmetic number, because the mean of its divisors is an integer number (16327863340152).

Almost surely, 2^{221321102103124} is an apocalyptic number.

It is an amenable number.

221321102103124 is a deficient number, since it is larger than the sum of its proper divisors (170547618060524).

221321102103124 is a wasteful number, since it uses less digits than its factorization.

221321102103124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094068095 (or 1094068093 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 221321102103124 its reverse (421301201123122), we get a palindrome (642622303226246).

The spelling of 221321102103124 in words is "two hundred twenty-one trillion, three hundred twenty-one billion, one hundred two million, one hundred three thousand, one hundred twenty-four".