102220012231320 has 64 divisors (see below), whose sum is σ = 324698862388320. Its totient is φ = 25655218755584.

The previous prime is 102220012231273. The next prime is 102220012231321. The reversal of 102220012231320 is 23132210022201.

It is a super-3 number, since 3×102220012231320³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220012231321) 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, 25053922527 + ... + 25053926606.

Almost surely, 2^{102220012231320} is an apocalyptic number.

102220012231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220012231320 is an abundant number, since it is smaller than the sum of its proper divisors (222478850157000).

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

102220012231320 is a wasteful number, since it uses less digits than its factorization.

102220012231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50107849164 (or 50107849160 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 102220012231320 its reverse (23132210022201), we get a palindrome (125352222253521).

The spelling of 102220012231320 in words is "one hundred two trillion, two hundred twenty billion, twelve million, two hundred thirty-one thousand, three hundred twenty".