1010111948947 has 2 divisors, whose sum is σ = 1010111948948. Its totient is φ = 1010111948946.

The previous prime is 1010111948933. The next prime is 1010111948969. The reversal of 1010111948947 is 7498491110101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1010111948947 is a prime.

It is a super-2 number, since 2×1010111948947² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010111948897 and 1010111948906.

It is not a weakly prime, because it can be changed into another prime (1010111948977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505055974473 + 505055974474.

It is an arithmetic number, because the mean of its divisors is an integer number (505055974474).

Almost surely, 2^{1010111948947} is an apocalyptic number.

1010111948947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010111948947 is an equidigital number, since it uses as much as digits as its factorization.

1010111948947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 46.

The spelling of 1010111948947 in words is "one trillion, ten billion, one hundred eleven million, nine hundred forty-eight thousand, nine hundred forty-seven".