102201202102210 has 32 divisors (see below), whose sum is σ = 184973645122992. Its totient is φ = 40655881539840.

The previous prime is 102201202102201. The next prime is 102201202102217. The reversal of 102201202102210 is 12201202102201.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 38489628408001 + 63711573694209 = 6204001^2 + 7981953^2 .

It is a super-2 number, since 2×102201202102210² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102201202102217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6203757 + ... + 15584896.

Almost surely, 2^{102201202102210} is an apocalyptic number.

102201202102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102201202102210 is a deficient number, since it is larger than the sum of its proper divisors (82772443020782).

102201202102210 is a wasteful number, since it uses less digits than its factorization.

102201202102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21791238.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102201202102210 its reverse (12201202102201), we get a palindrome (114402404204411).

Subtracting from 102201202102210 its reverse (12201202102201), we obtain a palindrome (90000000000009).

The spelling of 102201202102210 in words is "one hundred two trillion, two hundred one billion, two hundred two million, one hundred two thousand, two hundred ten".