11222101121971 has 2 divisors, whose sum is σ = 11222101121972. Its totient is φ = 11222101121970.

The previous prime is 11222101121963. The next prime is 11222101122041. The reversal of 11222101121971 is 17912110122211.

It is a weak prime.

It is an emirp because it is prime and its reverse (17912110122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222101121971 - 2³ = 11222101121963 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222101121941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611050560985 + 5611050560986.

It is an arithmetic number, because the mean of its divisors is an integer number (5611050560986).

Almost surely, 2^{11222101121971} is an apocalyptic number.

11222101121971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222101121971 is an equidigital number, since it uses as much as digits as its factorization.

11222101121971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 11222101121971 in words is "eleven trillion, two hundred twenty-two billion, one hundred one million, one hundred twenty-one thousand, nine hundred seventy-one".