102221012010 has 32 divisors (see below), whose sum is σ = 264202001280. Its totient is φ = 25162095168.

The previous prime is 102221011987. The next prime is 102221012017. The reversal of 102221012010 is 10210122201.

It is not an unprimeable number, because it can be changed into a prime (102221012017) 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, 131052190 + ... + 131052969.

It is an arithmetic number, because the mean of its divisors is an integer number (8256312540).

Almost surely, 2^102221012010 is an apocalyptic number.

102221012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102221012010 is an abundant number, since it is smaller than the sum of its proper divisors (161980989270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102221012010 is a wasteful number, since it uses less digits than its factorization.

102221012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262105182.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102221012010 its reverse (10210122201), we get a palindrome (112431134211).

The spelling of 102221012010 in words is "one hundred two billion, two hundred twenty-one million, twelve thousand, ten".