102011312210 has 16 divisors (see below), whose sum is σ = 184634842392. Its totient is φ = 40579084800.

The previous prime is 102011312201. The next prime is 102011312213. The reversal of 102011312210 is 12213110201.

It can be written as a sum of positive squares in 4 ways, for example, as 77063425609 + 24947886601 = 277603^2 + 157949^2 .

It is not an unprimeable number, because it can be changed into a prime (102011312213) 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, 28178111 + ... + 28181730.

Almost surely, 2^102011312210 is an apocalyptic number.

102011312210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102011312210 is a deficient number, since it is larger than the sum of its proper divisors (82623530182).

102011312210 is a wasteful number, since it uses less digits than its factorization.

102011312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56360029.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 102011312210 its reverse (12213110201), we get a palindrome (114224422411).

The spelling of 102011312210 in words is "one hundred two billion, eleven million, three hundred twelve thousand, two hundred ten".