20211130221231 has 8 divisors (see below), whose sum is σ = 26948585633200. Its totient is φ = 13473880811712.

The previous prime is 20211130221211. The next prime is 20211130221257. The reversal of 20211130221231 is 13212203111202.

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

It is not a de Polignac number, because 20211130221231 - 2⁶ = 20211130221167 is a prime.

It is a super-2 number, since 2×20211130221231² (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 = 20211130221198 and 20211130221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211130221211) 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, 51271540 + ... + 51664233.

It is an arithmetic number, because the mean of its divisors is an integer number (3368573204150).

Almost surely, 2^{20211130221231} is an apocalyptic number.

20211130221231 is a deficient number, since it is larger than the sum of its proper divisors (6737455411969).

20211130221231 is a wasteful number, since it uses less digits than its factorization.

20211130221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103001225.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20211130221231 its reverse (13212203111202), we get a palindrome (33423333332433).

The spelling of 20211130221231 in words is "twenty trillion, two hundred eleven billion, one hundred thirty million, two hundred twenty-one thousand, two hundred thirty-one".