22011213211 has 8 divisors (see below), whose sum is σ = 23925921264. Its totient is φ = 20128153440.

The previous prime is 22011213209. The next prime is 22011213229. The reversal of 22011213211 is 11231211022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22011213211 - 2¹ = 22011213209 is a prime.

It is a super-3 number, since 3×22011213211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011213251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7910620 + ... + 7913401.

It is an arithmetic number, because the mean of its divisors is an integer number (2990740158).

Almost surely, 2^22011213211 is an apocalyptic number.

22011213211 is a deficient number, since it is larger than the sum of its proper divisors (1914708053).

22011213211 is a wasteful number, since it uses less digits than its factorization.

22011213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15824141.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 22011213211 its reverse (11231211022), we get a palindrome (33242424233).

The spelling of 22011213211 in words is "twenty-two billion, eleven million, two hundred thirteen thousand, two hundred eleven".