102110100220209 has 32 divisors (see below), whose sum is σ = 137297897717760. Its totient is φ = 67498482123072.

The previous prime is 102110100220201. The next prime is 102110100220237. The reversal of 102110100220209 is 902022001011201.

It is not a de Polignac number, because 102110100220209 - 2³ = 102110100220201 is a prime.

It is a super-2 number, since 2×102110100220209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102110100220201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5741997532 + ... + 5742015314.

It is an arithmetic number, because the mean of its divisors is an integer number (4290559303680).

Almost surely, 2^{102110100220209} is an apocalyptic number.

It is an amenable number.

102110100220209 is a deficient number, since it is larger than the sum of its proper divisors (35187797497551).

102110100220209 is a wasteful number, since it uses less digits than its factorization.

102110100220209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25749.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 102110100220209 in words is "one hundred two trillion, one hundred ten billion, one hundred million, two hundred twenty thousand, two hundred nine".