1122121019973 has 4 divisors (see below), whose sum is σ = 1496161359968. Its totient is φ = 748080679980.

The previous prime is 1122121019953. The next prime is 1122121020011. The reversal of 1122121019973 is 3799101212211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1122121019973 - 2²⁶ = 1122053911109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122121019953) 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, 187020169993 + ... + 187020169998.

It is an arithmetic number, because the mean of its divisors is an integer number (374040339992).

Almost surely, 2^{1122121019973} is an apocalyptic number.

It is an amenable number.

1122121019973 is a deficient number, since it is larger than the sum of its proper divisors (374040339995).

1122121019973 is an equidigital number, since it uses as much as digits as its factorization.

1122121019973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374040339994.

The product of its (nonzero) digits is 13608, while the sum is 39.

The spelling of 1122121019973 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-one million, nineteen thousand, nine hundred seventy-three".