102312021211002 has 32 divisors (see below), whose sum is σ = 227361385316160. Its totient is φ = 34103806343280.

The previous prime is 102312021210953. The next prime is 102312021211007. The reversal of 102312021211002 is 200112120213201.

102312021211002 is a `hidden beast` number, since 10 + 231 + 202 + 121 + 100 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102312021211007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3829477 + ... + 14808407.

It is an arithmetic number, because the mean of its divisors is an integer number (7105043291130).

Almost surely, 2^{102312021211002} is an apocalyptic number.

102312021211002 is an abundant number, since it is smaller than the sum of its proper divisors (125049364105158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102312021211002 is a wasteful number, since it uses less digits than its factorization.

102312021211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11151515 (or 11151509 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 102312021211002 its reverse (200112120213201), we get a palindrome (302424141424203).

The spelling of 102312021211002 in words is "one hundred two trillion, three hundred twelve billion, twenty-one million, two hundred eleven thousand, two".