102210020331 has 16 divisors (see below), whose sum is σ = 139468745856. Its totient is φ = 66546095616.

The previous prime is 102210020327. The next prime is 102210020333. The reversal of 102210020331 is 133020012201.

It is not a de Polignac number, because 102210020331 - 2² = 102210020327 is a prime.

It is a super-2 number, since 2×102210020331² (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 102210020331.

It is not an unprimeable number, because it can be changed into a prime (102210020333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944971 + ... + 1047563.

It is an arithmetic number, because the mean of its divisors is an integer number (8716796616).

Almost surely, 2^102210020331 is an apocalyptic number.

102210020331 is a deficient number, since it is larger than the sum of its proper divisors (37258725525).

102210020331 is a wasteful number, since it uses less digits than its factorization.

102210020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110362.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 102210020331 its reverse (133020012201), we get a palindrome (235230032532).

The spelling of 102210020331 in words is "one hundred two billion, two hundred ten million, twenty thousand, three hundred thirty-one".