1222110120101 has 6 divisors (see below), whose sum is σ = 1323350011890. Its totient is φ = 1128101649168.

The previous prime is 1222110120079. The next prime is 1222110120157. The reversal of 1222110120101 is 1010210112221.

It can be written as a sum of positive squares in 3 ways, for example, as 112058232001 + 1110051888100 = 334751^2 + 1053590^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1222110120101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3615710246 + ... + 3615710583.

It is an arithmetic number, because the mean of its divisors is an integer number (220558335315).

Almost surely, 2^{1222110120101} is an apocalyptic number.

It is an amenable number.

1222110120101 is a deficient number, since it is larger than the sum of its proper divisors (101239891789).

1222110120101 is an equidigital number, since it uses as much as digits as its factorization.

1222110120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231420855 (or 7231420842 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1222110120101 its reverse (1010210112221), we get a palindrome (2232320232322).

The spelling of 1222110120101 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, one hundred twenty thousand, one hundred one".