22111231010971 has 2 divisors, whose sum is σ = 22111231010972. Its totient is φ = 22111231010970.

The previous prime is 22111231010941. The next prime is 22111231011029. The reversal of 22111231010971 is 17901013211122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22111231010971 - 2⁹ = 22111231010459 is a prime.

It is a super-3 number, since 3×22111231010971³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (22111231010941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055615505485 + 11055615505486.

It is an arithmetic number, because the mean of its divisors is an integer number (11055615505486).

Almost surely, 2^{22111231010971} is an apocalyptic number.

22111231010971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111231010971 is an equidigital number, since it uses as much as digits as its factorization.

22111231010971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 22111231010971 in words is "twenty-two trillion, one hundred eleven billion, two hundred thirty-one million, ten thousand, nine hundred seventy-one".