102331222021 has 8 divisors (see below), whose sum is σ = 119438265600. Its totient is φ = 85846252848.

The previous prime is 102331222013. The next prime is 102331222031. The reversal of 102331222021 is 120222133201.

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 102331222021 - 2³ = 102331222013 is a prime.

It is a super-2 number, since 2×102331222021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102331222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331222031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155518246 + ... + 155518903.

It is an arithmetic number, because the mean of its divisors is an integer number (14929783200).

Almost surely, 2^102331222021 is an apocalyptic number.

It is an amenable number.

102331222021 is a deficient number, since it is larger than the sum of its proper divisors (17107043579).

102331222021 is an equidigital number, since it uses as much as digits as its factorization.

102331222021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311037203.

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

Adding to 102331222021 its reverse (120222133201), we get a palindrome (222553355222).

The spelling of 102331222021 in words is "one hundred two billion, three hundred thirty-one million, two hundred twenty-two thousand, twenty-one".