1101099947 has 2 divisors, whose sum is σ = 1101099948. Its totient is φ = 1101099946.

The previous prime is 1101099941. The next prime is 1101100009. The reversal of 1101099947 is 7499901011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101099947 - 2¹⁴ = 1101083563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101099941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550549973 + 550549974.

It is an arithmetic number, because the mean of its divisors is an integer number (550549974).

Almost surely, 2^1101099947 is an apocalyptic number.

1101099947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101099947 is an equidigital number, since it uses as much as digits as its factorization.

1101099947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1101099947 is about 33182.8260851905. The cubic root of 1101099947 is about 1032.6240776261.

The spelling of 1101099947 in words is "one billion, one hundred one million, ninety-nine thousand, nine hundred forty-seven".