1122142323121 has 4 divisors (see below), whose sum is σ = 1122149097252. Its totient is φ = 1122135548992.

The previous prime is 1122142323109. The next prime is 1122142323173. The reversal of 1122142323121 is 1213232412211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1053661190400 + 68481132721 = 1026480^2 + 261689^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122142323121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122142393121) 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, 3132196 + ... + 3472021.

It is an arithmetic number, because the mean of its divisors is an integer number (280537274313).

Almost surely, 2^{1122142323121} is an apocalyptic number.

It is an amenable number.

1122142323121 is a deficient number, since it is larger than the sum of its proper divisors (6774131).

1122142323121 is an equidigital number, since it uses as much as digits as its factorization.

1122142323121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774130.

The product of its digits is 1152, while the sum is 25.

Adding to 1122142323121 its reverse (1213232412211), we get a palindrome (2335374735332).

The spelling of 1122142323121 in words is "one trillion, one hundred twenty-two billion, one hundred forty-two million, three hundred twenty-three thousand, one hundred twenty-one".