22222200120101 has 2 divisors, whose sum is σ = 22222200120102. Its totient is φ = 22222200120100.

The previous prime is 22222200120061. The next prime is 22222200120121. The reversal of 22222200120101 is 10102100222222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21996109380001 + 226090740100 = 4690001^2 + 475490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222200120101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22222200120101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222200120121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111100060050 + 11111100060051.

It is an arithmetic number, because the mean of its divisors is an integer number (11111100060051).

Almost surely, 2^{22222200120101} is an apocalyptic number.

It is an amenable number.

22222200120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222200120101 is an equidigital number, since it uses as much as digits as its factorization.

22222200120101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222200120101 its reverse (10102100222222), we get a palindrome (32324300342323).

The spelling of 22222200120101 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred million, one hundred twenty thousand, one hundred one".