22011220011 has 16 divisors (see below), whose sum is σ = 32268423168. Its totient is φ = 13235090400.

The previous prime is 22011220009. The next prime is 22011220013. The reversal of 22011220011 is 11002211022.

It is an interprime number because it is at equal distance from previous prime (22011220009) and next prime (22011220013).

It is not a de Polignac number, because 22011220011 - 2¹ = 22011220009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011220013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2621820 + ... + 2630201.

It is an arithmetic number, because the mean of its divisors is an integer number (2016776448).

Almost surely, 2^22011220011 is an apocalyptic number.

22011220011 is a deficient number, since it is larger than the sum of its proper divisors (10257203157).

22011220011 is a wasteful number, since it uses less digits than its factorization.

22011220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252162.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22011220011 its reverse (11002211022), we get a palindrome (33013431033).

The spelling of 22011220011 in words is "twenty-two billion, eleven million, two hundred twenty thousand, eleven".