102021222031 has 8 divisors (see below), whose sum is σ = 102111628640. Its totient is φ = 101930856192.

The previous prime is 102021222013. The next prime is 102021222041. The reversal of 102021222031 is 130222120201.

It is a happy number.

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 102021222031 - 2⁵ = 102021221999 is a prime.

It is a super-2 number, since 2×102021222031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102021221996 and 102021222014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6926731 + ... + 6941443.

It is an arithmetic number, because the mean of its divisors is an integer number (12763953580).

Almost surely, 2^102021222031 is an apocalyptic number.

102021222031 is a deficient number, since it is larger than the sum of its proper divisors (90406609).

102021222031 is a wasteful number, since it uses less digits than its factorization.

102021222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20385.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102021222031 its reverse (130222120201), we get a palindrome (232243342232).

The spelling of 102021222031 in words is "one hundred two billion, twenty-one million, two hundred twenty-two thousand, thirty-one".