1122472472321 has 2 divisors, whose sum is σ = 1122472472322. Its totient is φ = 1122472472320.

The previous prime is 1122472472273. The next prime is 1122472472323. The reversal of 1122472472321 is 1232742742211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 958370513296 + 164101959025 = 978964^2 + 405095^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122472472321 - 2⁶ = 1122472472257 is a prime.

It is a super-2 number, since 2×1122472472321² (a number of 25 digits) contains 22 as substring.

Together with 1122472472323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1122472472323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561236236160 + 561236236161.

It is an arithmetic number, because the mean of its divisors is an integer number (561236236161).

Almost surely, 2^{1122472472321} is an apocalyptic number.

It is an amenable number.

1122472472321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122472472321 is an equidigital number, since it uses as much as digits as its factorization.

1122472472321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The spelling of 1122472472321 in words is "one trillion, one hundred twenty-two billion, four hundred seventy-two million, four hundred seventy-two thousand, three hundred twenty-one".