102112012101010 has 16 divisors (see below), whose sum is σ = 183867808948056. Its totient is φ = 40830096581248.

The previous prime is 102112012100999. The next prime is 102112012101013. The reversal of 102112012101010 is 10101210211201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 46734765256089 + 55377246844921 = 6836283^2 + 7441589^2 .

It is not an unprimeable number, because it can be changed into a prime (102112012101013) 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, 1838503237 + ... + 1838558776.

Almost surely, 2^{102112012101010} is an apocalyptic number.

102112012101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112012101010 is a deficient number, since it is larger than the sum of its proper divisors (81755796847046).

102112012101010 is a wasteful number, since it uses less digits than its factorization.

102112012101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3677064797.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102112012101010 its reverse (10101210211201), we get a palindrome (112213222312211).

The spelling of 102112012101010 in words is "one hundred two trillion, one hundred twelve billion, twelve million, one hundred one thousand, ten".