2091101357 has 2 divisors, whose sum is σ = 2091101358. Its totient is φ = 2091101356.

The previous prime is 2091101339. The next prime is 2091101377. The reversal of 2091101357 is 7531011902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1705607401 + 385493956 = 41299^2 + 19634^2 .

It is a cyclic number.

It is not a de Polignac number, because 2091101357 - 2¹⁸ = 2090839213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2091101377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1045550678 + 1045550679.

It is an arithmetic number, because the mean of its divisors is an integer number (1045550679).

Almost surely, 2^2091101357 is an apocalyptic number.

It is an amenable number.

2091101357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2091101357 is an equidigital number, since it uses as much as digits as its factorization.

2091101357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 2091101357 is about 45728.5617202203. The cubic root of 2091101357 is about 1278.7678077408.

The spelling of 2091101357 in words is "two billion, ninety-one million, one hundred one thousand, three hundred fifty-seven".