202001099 has 2 divisors, whose sum is σ = 202001100. Its totient is φ = 202001098.

The previous prime is 202001081. The next prime is 202001113. The reversal of 202001099 is 990100202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001099 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (202001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101000549 + 101000550.

It is an arithmetic number, because the mean of its divisors is an integer number (101000550).

Almost surely, 2^202001099 is an apocalyptic number.

202001099 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001099 is an equidigital number, since it uses as much as digits as its factorization.

202001099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 202001099 is about 14212.7090661844. The cubic root of 202001099 is about 586.7474949254.

The spelling of 202001099 in words is "two hundred two million, one thousand, ninety-nine".