22100122011 has 16 divisors (see below), whose sum is σ = 32171678208. Its totient is φ = 13383160800.

The previous prime is 22100122003. The next prime is 22100122019. The reversal of 22100122011 is 11022100122.

It is an interprime number because it is at equal distance from previous prime (22100122003) and next prime (22100122019).

It is not a de Polignac number, because 22100122011 - 2³ = 22100122003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100122019) 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, 229875 + ... + 311516.

It is an arithmetic number, because the mean of its divisors is an integer number (2010729888).

Almost surely, 2^22100122011 is an apocalyptic number.

22100122011 is a deficient number, since it is larger than the sum of its proper divisors (10071556197).

22100122011 is a wasteful number, since it uses less digits than its factorization.

22100122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542642.

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

Adding to 22100122011 its reverse (11022100122), we get a palindrome (33122222133).

The spelling of 22100122011 in words is "twenty-two billion, one hundred million, one hundred twenty-two thousand, eleven".