22201110122121 has 12 divisors (see below), whose sum is σ = 36649451630272. Its totient is φ = 12686348641176.

The previous prime is 22201110122111. The next prime is 22201110122161. The reversal of 22201110122121 is 12122101110222.

It is not a de Polignac number, because 22201110122121 - 2³⁵ = 22166750383753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201110122094 and 22201110122103.

It is not an unprimeable number, because it can be changed into a prime (22201110122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 176199286621 + ... + 176199286746.

Almost surely, 2^{22201110122121} is an apocalyptic number.

22201110122121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22201110122121 is a deficient number, since it is larger than the sum of its proper divisors (14448341508151).

22201110122121 is a wasteful number, since it uses less digits than its factorization.

22201110122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352398573380 (or 352398573377 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22201110122121 its reverse (12122101110222), we get a palindrome (34323211232343).

The spelling of 22201110122121 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".