22210101102121 has 2 divisors, whose sum is σ = 22210101102122. Its totient is φ = 22210101102120.

The previous prime is 22210101102113. The next prime is 22210101102143. The reversal of 22210101102121 is 12120110101222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14170970869225 + 8039130232896 = 3764435^2 + 2835336^2 .

It is a cyclic number.

It is not a de Polignac number, because 22210101102121 - 2³ = 22210101102113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22210101102095 and 22210101102104.

It is not a weakly prime, because it can be changed into another prime (22210101102151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105050551060 + 11105050551061.

It is an arithmetic number, because the mean of its divisors is an integer number (11105050551061).

Almost surely, 2^{22210101102121} is an apocalyptic number.

It is an amenable number.

22210101102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210101102121 is an equidigital number, since it uses as much as digits as its factorization.

22210101102121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22210101102121 its reverse (12120110101222), we get a palindrome (34330211203343).

The spelling of 22210101102121 in words is "twenty-two trillion, two hundred ten billion, one hundred one million, one hundred two thousand, one hundred twenty-one".