22120202211101 has 2 divisors, whose sum is σ = 22120202211102. Its totient is φ = 22120202211100.

The previous prime is 22120202211097. The next prime is 22120202211109. The reversal of 22120202211101 is 10111220202122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14468057616100 + 7652144595001 = 3803690^2 + 2766251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120202211101 - 2² = 22120202211097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22120202211101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120202211109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060101105550 + 11060101105551.

It is an arithmetic number, because the mean of its divisors is an integer number (11060101105551).

Almost surely, 2^{22120202211101} is an apocalyptic number.

It is an amenable number.

22120202211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120202211101 is an equidigital number, since it uses as much as digits as its factorization.

22120202211101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22120202211101 its reverse (10111220202122), we get a palindrome (32231422413223).

The spelling of 22120202211101 in words is "twenty-two trillion, one hundred twenty billion, two hundred two million, two hundred eleven thousand, one hundred one".