122211000112021 has 2 divisors, whose sum is σ = 122211000112022. Its totient is φ = 122211000112020.

The previous prime is 122211000111911. The next prime is 122211000112031. The reversal of 122211000112021 is 120211000112221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120693052909521 + 1517947202500 = 10986039^2 + 1232050^2 .

It is a cyclic number.

It is not a de Polignac number, because 122211000112021 - 2²⁹ = 122210463241109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122211000111986 and 122211000112004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122211000112031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61105500056010 + 61105500056011.

It is an arithmetic number, because the mean of its divisors is an integer number (61105500056011).

Almost surely, 2^{122211000112021} is an apocalyptic number.

It is an amenable number.

122211000112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

122211000112021 is an equidigital number, since it uses as much as digits as its factorization.

122211000112021 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 16.

Adding to 122211000112021 its reverse (120211000112221), we get a palindrome (242422000224242).

The spelling of 122211000112021 in words is "one hundred twenty-two trillion, two hundred eleven billion, one hundred twelve thousand, twenty-one".