222110120211101 has 2 divisors, whose sum is σ = 222110120211102. Its totient is φ = 222110120211100.

The previous prime is 222110120211059. The next prime is 222110120211149. The reversal of 222110120211101 is 101112021011222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215215530891076 + 6894589320025 = 14670226^2 + 2625755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222110120211101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222110120211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222110120217101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111055060105550 + 111055060105551.

It is an arithmetic number, because the mean of its divisors is an integer number (111055060105551).

Almost surely, 2^{222110120211101} is an apocalyptic number.

It is an amenable number.

222110120211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

222110120211101 is an equidigital number, since it uses as much as digits as its factorization.

222110120211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222110120211101 its reverse (101112021011222), we get a palindrome (323222141222323).

The spelling of 222110120211101 in words is "two hundred twenty-two trillion, one hundred ten billion, one hundred twenty million, two hundred eleven thousand, one hundred one".