221002002132031 has 8 divisors (see below), whose sum is σ = 221493122406864. Its totient is φ = 220511371755840.

The previous prime is 221002002132019. The next prime is 221002002132059. The reversal of 221002002132031 is 130231200200122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221002002132031 - 2¹¹ = 221002002129983 is a prime.

It is a super-2 number, since 2×221002002132031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002002132011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121571416 + ... + 123375901.

It is an arithmetic number, because the mean of its divisors is an integer number (27686640300858).

Almost surely, 2^{221002002132031} is an apocalyptic number.

221002002132031 is a deficient number, since it is larger than the sum of its proper divisors (491120274833).

221002002132031 is a wasteful number, since it uses less digits than its factorization.

221002002132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244949321.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 221002002132031 its reverse (130231200200122), we get a palindrome (351233202332153).

The spelling of 221002002132031 in words is "two hundred twenty-one trillion, two billion, two million, one hundred thirty-two thousand, thirty-one".