102221103044240 has 80 divisors (see below), whose sum is σ = 250191937494720. Its totient is φ = 38733439219200.

The previous prime is 102221103044219. The next prime is 102221103044243. The reversal of 102221103044240 is 42440301122201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×102221103044240² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102221103044243) 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, 17237015 + ... + 22395465.

It is an arithmetic number, because the mean of its divisors is an integer number (3127399218684).

Almost surely, 2^{102221103044240} is an apocalyptic number.

102221103044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102221103044240 is an abundant number, since it is smaller than the sum of its proper divisors (147970834450480).

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

102221103044240 is a wasteful number, since it uses less digits than its factorization.

102221103044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5171520 (or 5171514 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 102221103044240 its reverse (42440301122201), we get a palindrome (144661404166441).

The spelling of 102221103044240 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred three million, forty-four thousand, two hundred forty".