2212133122021 has 2 divisors, whose sum is σ = 2212133122022. Its totient is φ = 2212133122020.

The previous prime is 2212133121983. The next prime is 2212133122051. The reversal of 2212133122021 is 1202213312122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1118824485025 + 1093308636996 = 1057745^2 + 1045614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212133122021 - 2⁹ = 2212133121509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212133121983 and 2212133122001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212133122051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106066561010 + 1106066561011.

It is an arithmetic number, because the mean of its divisors is an integer number (1106066561011).

Almost surely, 2^{2212133122021} is an apocalyptic number.

It is an amenable number.

2212133122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212133122021 is an equidigital number, since it uses as much as digits as its factorization.

2212133122021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2212133122021 its reverse (1202213312122), we get a palindrome (3414346434143).

The spelling of 2212133122021 in words is "two trillion, two hundred twelve billion, one hundred thirty-three million, one hundred twenty-two thousand, twenty-one".