221210002321044 has 72 divisors (see below), whose sum is σ = 567785912447040. Its totient is φ = 66981329331840.

The previous prime is 221210002321043. The next prime is 221210002321067. The reversal of 221210002321044 is 440123200012122.

It is a super-3 number, since 3×221210002321044³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221210002321043) 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, 57223984 + ... + 60967239.

Almost surely, 2^{221210002321044} is an apocalyptic number.

It is an amenable number.

221210002321044 is an abundant number, since it is smaller than the sum of its proper divisors (346575910125996).

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

221210002321044 is a wasteful number, since it uses less digits than its factorization.

221210002321044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118192541 (or 118192528 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 221210002321044 its reverse (440123200012122), we get a palindrome (661333202333166).

The spelling of 221210002321044 in words is "two hundred twenty-one trillion, two hundred ten billion, two million, three hundred twenty-one thousand, forty-four".