121122023019 has 8 divisors (see below), whose sum is σ = 165251752512. Its totient is φ = 78870154440.

The previous prime is 121122022963. The next prime is 121122023093. The reversal of 121122023019 is 910320221121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121122023019 - 2²⁵ = 121088468587 is a prime.

It is a super-2 number, since 2×121122023019² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121122023019.

It is not an unprimeable number, because it can be changed into a prime (121122123019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469465077 + ... + 469465334.

It is an arithmetic number, because the mean of its divisors is an integer number (20656469064).

Almost surely, 2^121122023019 is an apocalyptic number.

121122023019 is a deficient number, since it is larger than the sum of its proper divisors (44129729493).

121122023019 is an equidigital number, since it uses as much as digits as its factorization.

121122023019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938930457.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 121122023019 in words is "one hundred twenty-one billion, one hundred twenty-two million, twenty-three thousand, nineteen".