201101010947 has 2 divisors, whose sum is σ = 201101010948. Its totient is φ = 201101010946.

The previous prime is 201101010931. The next prime is 201101010977. The reversal of 201101010947 is 749010101102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201101010947 - 2⁴ = 201101010931 is a prime.

It is not a weakly prime, because it can be changed into another prime (201101010907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550505473 + 100550505474.

It is an arithmetic number, because the mean of its divisors is an integer number (100550505474).

Almost surely, 2^201101010947 is an apocalyptic number.

201101010947 is a deficient number, since it is larger than the sum of its proper divisors (1).

201101010947 is an equidigital number, since it uses as much as digits as its factorization.

201101010947 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 26.

The spelling of 201101010947 in words is "two hundred one billion, one hundred one million, ten thousand, nine hundred forty-seven".