2211011201947 has 2 divisors, whose sum is σ = 2211011201948. Its totient is φ = 2211011201946.

The previous prime is 2211011201911. The next prime is 2211011202047. The reversal of 2211011201947 is 7491021101122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211011201947 - 2²³ = 2211002813339 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211011201447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105505600973 + 1105505600974.

It is an arithmetic number, because the mean of its divisors is an integer number (1105505600974).

Almost surely, 2^{2211011201947} is an apocalyptic number.

2211011201947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211011201947 is an equidigital number, since it uses as much as digits as its factorization.

2211011201947 is an evil number, because the sum of its binary digits is even.

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

The spelling of 2211011201947 in words is "two trillion, two hundred eleven billion, eleven million, two hundred one thousand, nine hundred forty-seven".