102222201222020 has 48 divisors (see below), whose sum is σ = 234183050434368. Its totient is φ = 37171506303360.

The previous prime is 102222201222019. The next prime is 102222201222073. The reversal of 102222201222020 is 20222102222201.

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 = 102222201221983 and 102222201222001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42476339 + ... + 44818341.

It is an arithmetic number, because the mean of its divisors is an integer number (4878813550716).

Almost surely, 2^{102222201222020} is an apocalyptic number.

102222201222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222201222020 is an abundant number, since it is smaller than the sum of its proper divisors (131960849212348).

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

102222201222020 is a wasteful number, since it uses less digits than its factorization.

102222201222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540420 (or 2540418 counting only the distinct ones).

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

Adding to 102222201222020 its reverse (20222102222201), we get a palindrome (122444303444221).

The spelling of 102222201222020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, twenty".