102010100210 has 16 divisors (see below), whose sum is σ = 194419250136. Its totient is φ = 38403802368.

The previous prime is 102010100167. The next prime is 102010100221. The reversal of 102010100210 is 12001010201.

It can be written as a sum of positive squares in 4 ways, for example, as 97764404929 + 4245695281 = 312673^2 + 65159^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300029537 + ... + 300029876.

Almost surely, 2^102010100210 is an apocalyptic number.

102010100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102010100210 is a deficient number, since it is larger than the sum of its proper divisors (92409149926).

102010100210 is a wasteful number, since it uses less digits than its factorization.

102010100210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600059437.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102010100210 its reverse (12001010201), we get a palindrome (114011110411).

Subtracting from 102010100210 its reverse (12001010201), we obtain a palindrome (90009090009).

The spelling of 102010100210 in words is "one hundred two billion, ten million, one hundred thousand, two hundred ten".