102011220012112 has 10 divisors (see below), whose sum is σ = 197646738773498. Its totient is φ = 51005610006048.

The previous prime is 102011220012101. The next prime is 102011220012113. The reversal of 102011220012112 is 211210022110201.

It can be written as a sum of positive squares in only one way, i.e., 97342612807696 + 4668607204416 = 9866236^2 + 2160696^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 6375701250757 = 102011220012112 / (1 + 0 + 2 + 0 + 1 + 1 + 2 + 2 + 0 + 0 + 1 + 2 + 1 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011220012113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3187850625363 + ... + 3187850625394.

Almost surely, 2^{102011220012112} is an apocalyptic number.

It is an amenable number.

102011220012112 is a deficient number, since it is larger than the sum of its proper divisors (95635518761386).

102011220012112 is an equidigital number, since it uses as much as digits as its factorization.

102011220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6375701250765 (or 6375701250759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102011220012112 its reverse (211210022110201), we get a palindrome (313221242122313).

The spelling of 102011220012112 in words is "one hundred two trillion, eleven billion, two hundred twenty million, twelve thousand, one hundred twelve".