102120022131 has 8 divisors (see below), whose sum is σ = 137689917840. Its totient is φ = 67315070592.

The previous prime is 102120022111. The next prime is 102120022177. The reversal of 102120022131 is 131220021201.

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

It is not a de Polignac number, because 102120022131 - 2⁵ = 102120022099 is a prime.

It is a super-2 number, since 2×102120022131² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102120022131.

It is not an unprimeable number, because it can be changed into a prime (102120022111) 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, 191235730 + ... + 191236263.

It is an arithmetic number, because the mean of its divisors is an integer number (17211239730).

Almost surely, 2^102120022131 is an apocalyptic number.

102120022131 is a deficient number, since it is larger than the sum of its proper divisors (35569895709).

102120022131 is an equidigital number, since it uses as much as digits as its factorization.

102120022131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382472085.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 102120022131 its reverse (131220021201), we get a palindrome (233340043332).

The spelling of 102120022131 in words is "one hundred two billion, one hundred twenty million, twenty-two thousand, one hundred thirty-one".