102221101010 has 32 divisors (see below), whose sum is σ = 210337575552. Its totient is φ = 35038206720.

The previous prime is 102221100991. The next prime is 102221101019. The reversal of 102221101010 is 10101122201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102221100982 and 102221101000.

It is not an unprimeable number, because it can be changed into a prime (102221101019) 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, 88490 + ... + 460730.

It is an arithmetic number, because the mean of its divisors is an integer number (6573049236).

Almost surely, 2^102221101010 is an apocalyptic number.

102221101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221101010 is an abundant number, since it is smaller than the sum of its proper divisors (108116474542).

102221101010 is a wasteful number, since it uses less digits than its factorization.

102221101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376178.

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

Adding to 102221101010 its reverse (10101122201), we get a palindrome (112322223211).

The spelling of 102221101010 in words is "one hundred two billion, two hundred twenty-one million, one hundred one thousand, ten".