102112121002 has 16 divisors (see below), whose sum is σ = 162161638560. Its totient is φ = 48089307312.

The previous prime is 102112120963. The next prime is 102112121003. The reversal of 102112121002 is 200121211201.

102112121002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (102112121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7759788 + ... + 7772935.

It is an arithmetic number, because the mean of its divisors is an integer number (10135102410).

Almost surely, 2^102112121002 is an apocalyptic number.

102112121002 is a deficient number, since it is larger than the sum of its proper divisors (60049517558).

102112121002 is a wasteful number, since it uses less digits than its factorization.

102112121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15532917.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102112121002 its reverse (200121211201), we get a palindrome (302233332203).

The spelling of 102112121002 in words is "one hundred two billion, one hundred twelve million, one hundred twenty-one thousand, two".