22120120202101 has 2 divisors, whose sum is σ = 22120120202102. Its totient is φ = 22120120202100.

The previous prime is 22120120202087. The next prime is 22120120202123. The reversal of 22120120202101 is 10120202102122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20686568966001 + 1433551236100 = 4548249^2 + 1197310^2 .

It is a cyclic number.

It is not a de Polignac number, because 22120120202101 - 2⁵ = 22120120202069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22120120202161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060060101050 + 11060060101051.

It is an arithmetic number, because the mean of its divisors is an integer number (11060060101051).

Almost surely, 2^{22120120202101} is an apocalyptic number.

It is an amenable number.

22120120202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120120202101 is an equidigital number, since it uses as much as digits as its factorization.

22120120202101 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 16.

Adding to 22120120202101 its reverse (10120202102122), we get a palindrome (32240322304223).

The spelling of 22120120202101 in words is "twenty-two trillion, one hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred one".