102110221010 has 32 divisors (see below), whose sum is σ = 210144246912. Its totient is φ = 34994396160.

The previous prime is 102110221001. The next prime is 102110221049. The reversal of 102110221010 is 10122011201.

It is a super-2 number, since 2×102110221010² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102110220982 and 102110221000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141647 + ... + 473586.

It is an arithmetic number, because the mean of its divisors is an integer number (6567007716).

Almost surely, 2^102110221010 is an apocalyptic number.

102110221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102110221010 is an abundant number, since it is smaller than the sum of its proper divisors (108034025902).

102110221010 is a wasteful number, since it uses less digits than its factorization.

102110221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617618.

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

Adding to 102110221010 its reverse (10122011201), we get a palindrome (112232232211).

The spelling of 102110221010 in words is "one hundred two billion, one hundred ten million, two hundred twenty-one thousand, ten".