102112002122 has 16 divisors (see below), whose sum is σ = 166583331432. Its totient is φ = 46661995200.

The previous prime is 102112002121. The next prime is 102112002127. The reversal of 102112002122 is 221200211201.

It can be written as a sum of positive squares in 4 ways, for example, as 102061719841 + 50282281 = 319471^2 + 7091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102112002097 and 102112002106.

It is not an unprimeable number, because it can be changed into a prime (102112002121) 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, 19439873 + ... + 19445124.

Almost surely, 2^102112002122 is an apocalyptic number.

102112002122 is a deficient number, since it is larger than the sum of its proper divisors (64471329310).

102112002122 is a wasteful number, since it uses less digits than its factorization.

102112002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38885113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102112002122 its reverse (221200211201), we get a palindrome (323312213323).

The spelling of 102112002122 in words is "one hundred two billion, one hundred twelve million, two thousand, one hundred twenty-two".