22142131211449 has 2 divisors, whose sum is σ = 22142131211450. Its totient is φ = 22142131211448.

The previous prime is 22142131211381. The next prime is 22142131211513. The reversal of 22142131211449 is 94411213124122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22068084638224 + 74046573225 = 4697668^2 + 272115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22142131211449 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142161211449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071065605724 + 11071065605725.

It is an arithmetic number, because the mean of its divisors is an integer number (11071065605725).

Almost surely, 2^{22142131211449} is an apocalyptic number.

It is an amenable number.

22142131211449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142131211449 is an equidigital number, since it uses as much as digits as its factorization.

22142131211449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 37.

The spelling of 22142131211449 in words is "twenty-two trillion, one hundred forty-two billion, one hundred thirty-one million, two hundred eleven thousand, four hundred forty-nine".