2122031021101 has 2 divisors, whose sum is σ = 2122031021102. Its totient is φ = 2122031021100.

The previous prime is 2122031021059. The next prime is 2122031021167. The reversal of 2122031021101 is 1011201302212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2118567580900 + 3463440201 = 1455530^2 + 58851^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122031021101 - 2⁹ = 2122031020589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122031021401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061015510550 + 1061015510551.

It is an arithmetic number, because the mean of its divisors is an integer number (1061015510551).

Almost surely, 2^{2122031021101} is an apocalyptic number.

It is an amenable number.

2122031021101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122031021101 is an equidigital number, since it uses as much as digits as its factorization.

2122031021101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2122031021101 its reverse (1011201302212), we get a palindrome (3133232323313).

The spelling of 2122031021101 in words is "two trillion, one hundred twenty-two billion, thirty-one million, twenty-one thousand, one hundred one".