202211012220209 has 4 divisors (see below), whose sum is σ = 202251805247604. Its totient is φ = 202170219192816.

The previous prime is 202211012220199. The next prime is 202211012220211. The reversal of 202211012220209 is 902022210112202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131943817422400 + 70267194797809 = 11486680^2 + 8382553^2 .

It is a cyclic number.

It is not a de Polignac number, because 202211012220209 - 2²⁴ = 202210995442993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202211012280209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20396506262 + ... + 20396516175.

It is an arithmetic number, because the mean of its divisors is an integer number (50562951311901).

Almost surely, 2^{202211012220209} is an apocalyptic number.

It is an amenable number.

202211012220209 is a deficient number, since it is larger than the sum of its proper divisors (40793027395).

202211012220209 is an equidigital number, since it uses as much as digits as its factorization.

202211012220209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40793027394.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 202211012220209 in words is "two hundred two trillion, two hundred eleven billion, twelve million, two hundred twenty thousand, two hundred nine".