102220020012112 has 20 divisors (see below), whose sum is σ = 198345570055540. Its totient is φ = 51034066449408.

The previous prime is 102220020012029. The next prime is 102220020012137. The reversal of 102220020012112 is 211210020022201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 69334199344656 + 32885820667456 = 8326716^2 + 5734616^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4746461187 + ... + 4746482722.

It is an arithmetic number, because the mean of its divisors is an integer number (9917278502777).

Almost surely, 2^{102220020012112} is an apocalyptic number.

It is an amenable number.

102220020012112 is a deficient number, since it is larger than the sum of its proper divisors (96125550043428).

102220020012112 is an equidigital number, since it uses as much as digits as its factorization.

102220020012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9492944590 (or 9492944584 counting only the distinct ones).

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

Adding to 102220020012112 its reverse (211210020022201), we get a palindrome (313430040034313).

The spelling of 102220020012112 in words is "one hundred two trillion, two hundred twenty billion, twenty million, twelve thousand, one hundred twelve".