22211122011 has 48 divisors (see below), whose sum is σ = 34467853056. Its totient is φ = 12622845312.

The previous prime is 22211122007. The next prime is 22211122019. The reversal of 22211122011 is 11022111222.

It is not a de Polignac number, because 22211122011 - 2² = 22211122007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22211122019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 739656 + ... + 769098.

It is an arithmetic number, because the mean of its divisors is an integer number (718080272).

Almost surely, 2^22211122011 is an apocalyptic number.

22211122011 is a deficient number, since it is larger than the sum of its proper divisors (12256731045).

22211122011 is a wasteful number, since it uses less digits than its factorization.

22211122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29540 (or 29511 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22211122011 its reverse (11022111222), we get a palindrome (33233233233).

The spelling of 22211122011 in words is "twenty-two billion, two hundred eleven million, one hundred twenty-two thousand, eleven".