22212220011 has 8 divisors (see below), whose sum is σ = 29619675600. Its totient is φ = 14806455552.

The previous prime is 22212219989. The next prime is 22212220013. The reversal of 22212220011 is 11002221222.

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

It is not a de Polignac number, because 22212220011 - 2⁵ = 22212219979 is a prime.

It is a super-3 number, since 3×22212220011³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22212220013) 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, 391810 + ... + 444903.

It is an arithmetic number, because the mean of its divisors is an integer number (3702459450).

Almost surely, 2^22212220011 is an apocalyptic number.

22212220011 is a deficient number, since it is larger than the sum of its proper divisors (7407455589).

22212220011 is an equidigital number, since it uses as much as digits as its factorization.

22212220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845565.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22212220011 its reverse (11002221222), we get a palindrome (33214441233).

The spelling of 22212220011 in words is "twenty-two billion, two hundred twelve million, two hundred twenty thousand, eleven".