102120112002 has 32 divisors (see below), whose sum is σ = 204500153088. Its totient is φ = 33996749696.

The previous prime is 102120111983. The next prime is 102120112007. The reversal of 102120112002 is 200211021201.

It is not an unprimeable number, because it can be changed into a prime (102120112007) 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, 22726468 + ... + 22730960.

It is an arithmetic number, because the mean of its divisors is an integer number (6390629784).

Almost surely, 2^102120112002 is an apocalyptic number.

102120112002 is an abundant number, since it is smaller than the sum of its proper divisors (102380041086).

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

102120112002 is a wasteful number, since it uses less digits than its factorization.

102120112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8474.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120112002 its reverse (200211021201), we get a palindrome (302331133203).

It can be divided in two parts, 1021201 and 12002, that added together give a triangular number (1033203 = T₁₄₃₇).

The spelling of 102120112002 in words is "one hundred two billion, one hundred twenty million, one hundred twelve thousand, two".