102102001010210 has 16 divisors (see below), whose sum is σ = 184735848463416. Its totient is φ = 40629190038528.

The previous prime is 102102001010209. The next prime is 102102001010281. The reversal of 102102001010210 is 12010100201201.

It can be written as a sum of positive squares in 4 ways, for example, as 53396355612961 + 48705645397249 = 7307281^2 + 6978943^2 .

It is a super-2 number, since 2×102102001010210² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102102001010191 and 102102001010200.

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, 26451293669 + ... + 26451297528.

Almost surely, 2^{102102001010210} is an apocalyptic number.

102102001010210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102102001010210 is a deficient number, since it is larger than the sum of its proper divisors (82633847453206).

102102001010210 is a wasteful number, since it uses less digits than its factorization.

102102001010210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52902591397.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102102001010210 its reverse (12010100201201), we get a palindrome (114112101211411).

The spelling of 102102001010210 in words is "one hundred two trillion, one hundred two billion, one million, ten thousand, two hundred ten".