22100121122011 has 4 divisors (see below), whose sum is σ = 22147444722312. Its totient is φ = 22052797521712.

The previous prime is 22100121122003. The next prime is 22100121122029. The reversal of 22100121122011 is 11022112100122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22100121122011 - 2³ = 22100121122003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22100121126011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23661799450 + ... + 23661800383.

It is an arithmetic number, because the mean of its divisors is an integer number (5536861180578).

Almost surely, 2^{22100121122011} is an apocalyptic number.

22100121122011 is a deficient number, since it is larger than the sum of its proper divisors (47323600301).

22100121122011 is an equidigital number, since it uses as much as digits as its factorization.

22100121122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47323600300.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22100121122011 its reverse (11022112100122), we get a palindrome (33122233222133).

The spelling of 22100121122011 in words is "twenty-two trillion, one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, eleven".