122245111130451 has 4 divisors (see below), whose sum is σ = 162993481507272. Its totient is φ = 81496740753632.

The previous prime is 122245111130449. The next prime is 122245111130479. The reversal of 122245111130451 is 154031111542221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122245111130451 - 2¹ = 122245111130449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122245111130491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20374185188406 + ... + 20374185188411.

It is an arithmetic number, because the mean of its divisors is an integer number (40748370376818).

Almost surely, 2^{122245111130451} is an apocalyptic number.

122245111130451 is a deficient number, since it is larger than the sum of its proper divisors (40748370376821).

122245111130451 is an equidigital number, since it uses as much as digits as its factorization.

122245111130451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40748370376820.

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 122245111130451 its reverse (154031111542221), we get a palindrome (276276222672672).

The spelling of 122245111130451 in words is "one hundred twenty-two trillion, two hundred forty-five billion, one hundred eleven million, one hundred thirty thousand, four hundred fifty-one".