22211022101971 has 2 divisors, whose sum is σ = 22211022101972. Its totient is φ = 22211022101970.

The previous prime is 22211022101951. The next prime is 22211022102019. The reversal of 22211022101971 is 17910122011222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22211022101971 - 2¹¹ = 22211022099923 is a prime.

It is not a weakly prime, because it can be changed into another prime (22211022101951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105511050985 + 11105511050986.

It is an arithmetic number, because the mean of its divisors is an integer number (11105511050986).

Almost surely, 2^{22211022101971} is an apocalyptic number.

22211022101971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22211022101971 is an equidigital number, since it uses as much as digits as its factorization.

22211022101971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The spelling of 22211022101971 in words is "twenty-two trillion, two hundred eleven billion, twenty-two million, one hundred one thousand, nine hundred seventy-one".