102202111220020 has 96 divisors (see below), whose sum is σ = 256402520801280. Its totient is φ = 33481132513920.

The previous prime is 102202111220003. The next prime is 102202111220071. The reversal of 102202111220020 is 20022111202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102202111219976 and 102202111220003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148700644 + ... + 149386363.

It is an arithmetic number, because the mean of its divisors is an integer number (2670859591680).

Almost surely, 2^{102202111220020} is an apocalyptic number.

102202111220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202111220020 is an abundant number, since it is smaller than the sum of its proper divisors (154200409581260).

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

102202111220020 is a wasteful number, since it uses less digits than its factorization.

102202111220020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298087133 (or 298087131 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202111220020 its reverse (20022111202201), we get a palindrome (122224222422221).

The spelling of 102202111220020 in words is "one hundred two trillion, two hundred two billion, one hundred eleven million, two hundred twenty thousand, twenty".