22331203020121 has 4 divisors (see below), whose sum is σ = 22332216668544. Its totient is φ = 22330189371700.

The previous prime is 22331203020103. The next prime is 22331203020167. The reversal of 22331203020121 is 12102030213322.

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-22331203020121 is a prime.

It is a super-2 number, since 2×22331203020121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22331203020092 and 22331203020101.

It is not an unprimeable number, because it can be changed into a prime (22331203024121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506791165 + ... + 506835226.

It is an arithmetic number, because the mean of its divisors is an integer number (5583054167136).

Almost surely, 2^{22331203020121} is an apocalyptic number.

It is an amenable number.

22331203020121 is a deficient number, since it is larger than the sum of its proper divisors (1013648423).

22331203020121 is a wasteful number, since it uses less digits than its factorization.

22331203020121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013648422.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 22331203020121 its reverse (12102030213322), we get a palindrome (34433233233443).

The spelling of 22331203020121 in words is "twenty-two trillion, three hundred thirty-one billion, two hundred three million, twenty thousand, one hundred twenty-one".