20231001121001 has 4 divisors (see below), whose sum is σ = 22070183041104. Its totient is φ = 18391819200900.

The previous prime is 20231001120943. The next prime is 20231001121027. The reversal of 20231001121001 is 10012110013202.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20231001121001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20231901121001) 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, 919590960035 + ... + 919590960056.

It is an arithmetic number, because the mean of its divisors is an integer number (5517545760276).

Almost surely, 2^{20231001121001} is an apocalyptic number.

It is an amenable number.

20231001121001 is a deficient number, since it is larger than the sum of its proper divisors (1839181920103).

20231001121001 is a wasteful number, since it uses less digits than its factorization.

20231001121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839181920102.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20231001121001 its reverse (10012110013202), we get a palindrome (30243111134203).

The spelling of 20231001121001 in words is "twenty trillion, two hundred thirty-one billion, one million, one hundred twenty-one thousand, one".