20010211099 has 2 divisors, whose sum is σ = 20010211100. Its totient is φ = 20010211098.

The previous prime is 20010211087. The next prime is 20010211127. The reversal of 20010211099 is 99011201002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20010211099 - 2⁷ = 20010210971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010281099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005105549 + 10005105550.

It is an arithmetic number, because the mean of its divisors is an integer number (10005105550).

Almost surely, 2^20010211099 is an apocalyptic number.

20010211099 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010211099 is an equidigital number, since it uses as much as digits as its factorization.

20010211099 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 25.

The spelling of 20010211099 in words is "twenty billion, ten million, two hundred eleven thousand, ninety-nine".