102222212222020 has 48 divisors (see below), whose sum is σ = 234771674050368. Its totient is φ = 37078081983360.

The previous prime is 102222212221999. The next prime is 102222212222021. The reversal of 102222212222020 is 20222212222201.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 102222212221982 and 102222212222000.

It is not an unprimeable number, because it can be changed into a prime (102222212222021) 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, 585109662 + ... + 585284341.

It is an arithmetic number, because the mean of its divisors is an integer number (4891076542716).

Almost surely, 2^{102222212222020} is an apocalyptic number.

102222212222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102222212222020 is an abundant number, since it is smaller than the sum of its proper divisors (132549461828348).

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

102222212222020 is a wasteful number, since it uses less digits than its factorization.

102222212222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170394420 (or 1170394418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102222212222020 its reverse (20222212222201), we get a palindrome (122444424444221).

The spelling of 102222212222020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, twenty".