102220222012220 has 48 divisors (see below), whose sum is σ = 231560898811200. Its totient is φ = 37679841378816.

The previous prime is 102220222012211. The next prime is 102220222012253. The reversal of 102220222012220 is 22210222022201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102220222012192 and 102220222012201.

It is a congruent number.

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, 328020137 + ... + 328331616.

It is an arithmetic number, because the mean of its divisors is an integer number (4824185391900).

Almost surely, 2^{102220222012220} is an apocalyptic number.

102220222012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220222012220 is an abundant number, since it is smaller than the sum of its proper divisors (129340676798980).

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

102220222012220 is a wasteful number, since it uses less digits than its factorization.

102220222012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656352374 (or 656352372 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102220222012220 its reverse (22210222022201), we get a palindrome (124430444034421).

The spelling of 102220222012220 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-two million, twelve thousand, two hundred twenty".