211102097 has 2 divisors, whose sum is σ = 211102098. Its totient is φ = 211102096.

The previous prime is 211102091. The next prime is 211102121. The reversal of 211102097 is 790201112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194909521 + 16192576 = 13961^2 + 4024^2 .

It is a cyclic number.

It is not a de Polignac number, because 211102097 - 2⁴ = 211102081 is a prime.

It is not a weakly prime, because it can be changed into another prime (211102091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105551048 + 105551049.

It is an arithmetic number, because the mean of its divisors is an integer number (105551049).

Almost surely, 2^211102097 is an apocalyptic number.

It is an amenable number.

211102097 is a deficient number, since it is larger than the sum of its proper divisors (1).

211102097 is an equidigital number, since it uses as much as digits as its factorization.

211102097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 211102097 is about 14529.3529449869. The cubic root of 211102097 is about 595.4301876852.

The spelling of 211102097 in words is "two hundred eleven million, one hundred two thousand, ninety-seven".