2122102229021 has 2 divisors, whose sum is σ = 2122102229022. Its totient is φ = 2122102229020.

The previous prime is 2122102228973. The next prime is 2122102229111. The reversal of 2122102229021 is 1209222012212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1201788180121 + 920314048900 = 1096261^2 + 959330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122102229021 - 2⁶ = 2122102228957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122102279021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061051114510 + 1061051114511.

It is an arithmetic number, because the mean of its divisors is an integer number (1061051114511).

Almost surely, 2^{2122102229021} is an apocalyptic number.

It is an amenable number.

2122102229021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122102229021 is an equidigital number, since it uses as much as digits as its factorization.

2122102229021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 2122102229021 in words is "two trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-nine thousand, twenty-one".