2201011101209 has 2 divisors, whose sum is σ = 2201011101210. Its totient is φ = 2201011101208.

The previous prime is 2201011101181. The next prime is 2201011101229. The reversal of 2201011101209 is 9021011101022.

It is an a-pointer prime, because the next prime (2201011101229) can be obtained adding 2201011101209 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1785336907225 + 415674193984 = 1336165^2 + 644728^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201011101209 - 2³⁶ = 2132291624473 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201011101229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505550604 + 1100505550605.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505550605).

Almost surely, 2^{2201011101209} is an apocalyptic number.

It is an amenable number.

2201011101209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201011101209 is an equidigital number, since it uses as much as digits as its factorization.

2201011101209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2201011101209 in words is "two trillion, two hundred one billion, eleven million, one hundred one thousand, two hundred nine".