121122119973 has 4 divisors (see below), whose sum is σ = 161496159968. Its totient is φ = 80748079980.

The previous prime is 121122119939. The next prime is 121122120029. The reversal of 121122119973 is 379911221121.

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 121122119973 - 2⁸ = 121122119717 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 (121122112973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20187019993 + ... + 20187019998.

It is an arithmetic number, because the mean of its divisors is an integer number (40374039992).

Almost surely, 2^121122119973 is an apocalyptic number.

It is an amenable number.

121122119973 is a deficient number, since it is larger than the sum of its proper divisors (40374039995).

121122119973 is an equidigital number, since it uses as much as digits as its factorization.

121122119973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40374039994.

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

The spelling of 121122119973 in words is "one hundred twenty-one billion, one hundred twenty-two million, one hundred nineteen thousand, nine hundred seventy-three".