22101020971 has 2 divisors, whose sum is σ = 22101020972. Its totient is φ = 22101020970.

The previous prime is 22101020917. The next prime is 22101021029. The reversal of 22101020971 is 17902010122.

Together with previous prime (22101020917) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22101020971 - 2¹³ = 22101012779 is a prime.

It is not a weakly prime, because it can be changed into another prime (22101030971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050510485 + 11050510486.

It is an arithmetic number, because the mean of its divisors is an integer number (11050510486).

Almost surely, 2^22101020971 is an apocalyptic number.

22101020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101020971 is an equidigital number, since it uses as much as digits as its factorization.

22101020971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 22101020971 in words is "twenty-two billion, one hundred one million, twenty thousand, nine hundred seventy-one".