101121110947 has 2 divisors, whose sum is σ = 101121110948. Its totient is φ = 101121110946.

The previous prime is 101121110941. The next prime is 101121111029. The reversal of 101121110947 is 749011121101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101121110947 - 2³¹ = 98973627299 is a prime.

It is not a weakly prime, because it can be changed into another prime (101121110941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50560555473 + 50560555474.

It is an arithmetic number, because the mean of its divisors is an integer number (50560555474).

Almost surely, 2^101121110947 is an apocalyptic number.

101121110947 is a deficient number, since it is larger than the sum of its proper divisors (1).

101121110947 is an equidigital number, since it uses as much as digits as its factorization.

101121110947 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 28.

The spelling of 101121110947 in words is "one hundred one billion, one hundred twenty-one million, one hundred ten thousand, nine hundred forty-seven".