121043423001 has 16 divisors (see below), whose sum is σ = 170891869824. Its totient is φ = 75945686784.

The previous prime is 121043422979. The next prime is 121043423041. The reversal of 121043423001 is 100324340121.

It is not a de Polignac number, because 121043423001 - 2¹⁵ = 121043390233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121043423041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269300 + ... + 2322026.

It is an arithmetic number, because the mean of its divisors is an integer number (10680741864).

Almost surely, 2^121043423001 is an apocalyptic number.

It is an amenable number.

121043423001 is a deficient number, since it is larger than the sum of its proper divisors (49848446823).

121043423001 is a wasteful number, since it uses less digits than its factorization.

121043423001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97760.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121043423001 its reverse (100324340121), we get a palindrome (221367763122).

The spelling of 121043423001 in words is "one hundred twenty-one billion, forty-three million, four hundred twenty-three thousand, one".