2122021222051 has 2 divisors, whose sum is σ = 2122021222052. Its totient is φ = 2122021222050.

The previous prime is 2122021221997. The next prime is 2122021222099. The reversal of 2122021222051 is 1502221202212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2122021222051 - 2¹⁷ = 2122021090979 is a prime.

It is not a weakly prime, because it can be changed into another prime (2122021229051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061010611025 + 1061010611026.

It is an arithmetic number, because the mean of its divisors is an integer number (1061010611026).

Almost surely, 2^{2122021222051} is an apocalyptic number.

2122021222051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122021222051 is an equidigital number, since it uses as much as digits as its factorization.

2122021222051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2122021222051 its reverse (1502221202212), we get a palindrome (3624242424263).

The spelling of 2122021222051 in words is "two trillion, one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, fifty-one".