102120111001002 has 32 divisors (see below), whose sum is σ = 204582582529920. Its totient is φ = 33983023979520.

The previous prime is 102120111001001. The next prime is 102120111001049. The reversal of 102120111001002 is 200100111021201.

It is not an unprimeable number, because it can be changed into a prime (102120111001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2798274 + ... + 14562642.

It is an arithmetic number, because the mean of its divisors is an integer number (6393205704060).

Almost surely, 2^{102120111001002} is an apocalyptic number.

102120111001002 is an abundant number, since it is smaller than the sum of its proper divisors (102462471528918).

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

102120111001002 is a wasteful number, since it uses less digits than its factorization.

102120111001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11766798.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 102120111001002 its reverse (200100111021201), we get a palindrome (302220222022203).

The spelling of 102120111001002 in words is "one hundred two trillion, one hundred twenty billion, one hundred eleven million, one thousand, two".