20221033011231 has 8 divisors (see below), whose sum is σ = 29035329452080. Its totient is φ = 12443712622272.

The previous prime is 20221033011227. The next prime is 20221033011239. The reversal of 20221033011231 is 13211033012202.

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

It is not a de Polignac number, because 20221033011231 - 2² = 20221033011227 is a prime.

It is a super-2 number, since 2×20221033011231² (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 = 20221033011198 and 20221033011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221033011239) 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, 259244012926 + ... + 259244013003.

It is an arithmetic number, because the mean of its divisors is an integer number (3629416181510).

Almost surely, 2^{20221033011231} is an apocalyptic number.

20221033011231 is a deficient number, since it is larger than the sum of its proper divisors (8814296440849).

20221033011231 is a wasteful number, since it uses less digits than its factorization.

20221033011231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518488025945.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20221033011231 its reverse (13211033012202), we get a palindrome (33432066023433).

The spelling of 20221033011231 in words is "twenty trillion, two hundred twenty-one billion, thirty-three million, eleven thousand, two hundred thirty-one".