201100022212009 has 2 divisors, whose sum is σ = 201100022212010. Its totient is φ = 201100022212008.

The previous prime is 201100022211989. The next prime is 201100022212223. The reversal of 201100022212009 is 900212220001102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201085786142784 + 14236069225 = 14180472^2 + 119315^2 .

It is a cyclic number.

It is not a de Polignac number, because 201100022212009 - 2²⁵ = 201099988657577 is a prime.

It is not a weakly prime, because it can be changed into another prime (201100022215009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100550011106004 + 100550011106005.

It is an arithmetic number, because the mean of its divisors is an integer number (100550011106005).

Almost surely, 2^{201100022212009} is an apocalyptic number.

It is an amenable number.

201100022212009 is a deficient number, since it is larger than the sum of its proper divisors (1).

201100022212009 is an equidigital number, since it uses as much as digits as its factorization.

201100022212009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 201100022212009 in words is "two hundred one trillion, one hundred billion, twenty-two million, two hundred twelve thousand, nine".