102130021233 has 8 divisors (see below), whose sum is σ = 151303735200. Its totient is φ = 68086680804.

The previous prime is 102130021193. The next prime is 102130021243. The reversal of 102130021233 is 332120031201.

It is a de Polignac number, because none of the positive numbers 2^k-102130021233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102130021243) 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, 1891296663 + ... + 1891296716.

It is an arithmetic number, because the mean of its divisors is an integer number (18912966900).

Almost surely, 2^102130021233 is an apocalyptic number.

It is an amenable number.

102130021233 is a deficient number, since it is larger than the sum of its proper divisors (49173713967).

102130021233 is an equidigital number, since it uses as much as digits as its factorization.

102130021233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782593388 (or 3782593382 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102130021233 its reverse (332120031201), we get a palindrome (434250052434).

The spelling of 102130021233 in words is "one hundred two billion, one hundred thirty million, twenty-one thousand, two hundred thirty-three".