2221132221023 has 2 divisors, whose sum is σ = 2221132221024. Its totient is φ = 2221132221022.

The previous prime is 2221132220999. The next prime is 2221132221031. The reversal of 2221132221023 is 3201222311222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221132221023 - 2⁸ = 2221132220767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221132221023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221132221073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110566110511 + 1110566110512.

It is an arithmetic number, because the mean of its divisors is an integer number (1110566110512).

Almost surely, 2^{2221132221023} is an apocalyptic number.

2221132221023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221132221023 is an equidigital number, since it uses as much as digits as its factorization.

2221132221023 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 23.

Adding to 2221132221023 its reverse (3201222311222), we get a palindrome (5422354532245).

The spelling of 2221132221023 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-one thousand, twenty-three".