22012012002211 has 24 divisors (see below), whose sum is σ = 28688573257776. Its totient is φ = 16688643693120.

The previous prime is 22012012002143. The next prime is 22012012002229. The reversal of 22012012002211 is 11220021021022.

It is a happy number.

It is not a de Polignac number, because 22012012002211 - 2¹³ = 22012011994019 is a prime.

It is a super-2 number, since 2×22012012002211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012012002011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 551853196 + ... + 551893081.

It is an arithmetic number, because the mean of its divisors is an integer number (1195357219074).

Almost surely, 2^{22012012002211} is an apocalyptic number.

22012012002211 is a deficient number, since it is larger than the sum of its proper divisors (6676561255565).

22012012002211 is a wasteful number, since it uses less digits than its factorization.

22012012002211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103746339 (or 1103746332 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012012002211 its reverse (11220021021022), we get a palindrome (33232033023233).

The spelling of 22012012002211 in words is "twenty-two trillion, twelve billion, twelve million, two thousand, two hundred eleven".