102112220031 has 8 divisors (see below), whose sum is σ = 137471468160. Its totient is φ = 67413892632.

The previous prime is 102112220029. The next prime is 102112220053. The reversal of 102112220031 is 130022211201.

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

It is not a de Polignac number, because 102112220031 - 2¹ = 102112220029 is a prime.

It is a super-2 number, since 2×102112220031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112270031) 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, 165229821 + ... + 165230438.

It is an arithmetic number, because the mean of its divisors is an integer number (17183933520).

Almost surely, 2^102112220031 is an apocalyptic number.

102112220031 is a deficient number, since it is larger than the sum of its proper divisors (35359248129).

102112220031 is a wasteful number, since it uses less digits than its factorization.

102112220031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330460365.

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

Adding to 102112220031 its reverse (130022211201), we get a palindrome (232134431232).

The spelling of 102112220031 in words is "one hundred two billion, one hundred twelve million, two hundred twenty thousand, thirty-one".