20221131101 has 2 divisors, whose sum is σ = 20221131102. Its totient is φ = 20221131100.

The previous prime is 20221131043. The next prime is 20221131137. The reversal of 20221131101 is 10113112202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10789807876 + 9431323225 = 103874^2 + 97115^2 .

It is a cyclic number.

It is not a de Polignac number, because 20221131101 - 2⁶ = 20221131037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221131901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110565550 + 10110565551.

It is an arithmetic number, because the mean of its divisors is an integer number (10110565551).

Almost surely, 2^20221131101 is an apocalyptic number.

It is an amenable number.

20221131101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221131101 is an equidigital number, since it uses as much as digits as its factorization.

20221131101 is an evil number, because the sum of its binary digits is even.

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

Adding to 20221131101 its reverse (10113112202), we get a palindrome (30334243303).

The spelling of 20221131101 in words is "twenty billion, two hundred twenty-one million, one hundred thirty-one thousand, one hundred one".