22110100010209 has 2 divisors, whose sum is σ = 22110100010210. Its totient is φ = 22110100010208.

The previous prime is 22110100010191. The next prime is 22110100010249. The reversal of 22110100010209 is 90201000101122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18762195456225 + 3347904553984 = 4331535^2 + 1829728^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110100010209 - 2⁷ = 22110100010081 is a prime.

It is a super-2 number, since 2×22110100010209² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22110100010249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055050005104 + 11055050005105.

It is an arithmetic number, because the mean of its divisors is an integer number (11055050005105).

Almost surely, 2^{22110100010209} is an apocalyptic number.

It is an amenable number.

22110100010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110100010209 is an equidigital number, since it uses as much as digits as its factorization.

22110100010209 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 19.

The spelling of 22110100010209 in words is "twenty-two trillion, one hundred ten billion, one hundred million, ten thousand, two hundred nine".