101222220111112 has 8 divisors (see below), whose sum is σ = 189791662708350. Its totient is φ = 50611110055552.

The previous prime is 101222220111043. The next prime is 101222220111113. The reversal of 101222220111112 is 211111022222101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99414738841636 + 1807481269476 = 9970694^2 + 1344426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 101222220111112.

It is not an unprimeable number, because it can be changed into a prime (101222220111113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326388756937 + ... + 6326388756952.

Almost surely, 2^{101222220111112} is an apocalyptic number.

It is an amenable number.

101222220111112 is a deficient number, since it is larger than the sum of its proper divisors (88569442597238).

101222220111112 is a wasteful number, since it uses less digits than its factorization.

101222220111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12652777513895 (or 12652777513891 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 101222220111112 its reverse (211111022222101), we get a palindrome (312333242333213).

The spelling of 101222220111112 in words is "one hundred one trillion, two hundred twenty-two billion, two hundred twenty million, one hundred eleven thousand, one hundred twelve".