2221130332097 has 2 divisors, whose sum is σ = 2221130332098. Its totient is φ = 2221130332096.

The previous prime is 2221130332061. The next prime is 2221130332147. The reversal of 2221130332097 is 7902330311222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2118934390336 + 102195941761 = 1455656^2 + 319681^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221130332097 - 2⁸ = 2221130331841 is a prime.

It is a super-2 number, since 2×2221130332097² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2221130352097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110565166048 + 1110565166049.

It is an arithmetic number, because the mean of its divisors is an integer number (1110565166049).

Almost surely, 2^{2221130332097} is an apocalyptic number.

It is an amenable number.

2221130332097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221130332097 is an equidigital number, since it uses as much as digits as its factorization.

2221130332097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 2221130332097 in words is "two trillion, two hundred twenty-one billion, one hundred thirty million, three hundred thirty-two thousand, ninety-seven".