22110211222121 has 8 divisors (see below), whose sum is σ = 24122880234624. Its totient is φ = 20097983844720.

The previous prime is 22110211222093. The next prime is 22110211222153. The reversal of 22110211222121 is 12122211201122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22110211222121 - 2²⁶ = 22110144113257 is a prime.

It is a super-2 number, since 2×22110211222121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110211222093 and 22110211222102.

It is not an unprimeable number, because it can be changed into a prime (22110211224121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110304086 + ... + 110504351.

It is an arithmetic number, because the mean of its divisors is an integer number (3015360029328).

Almost surely, 2^{22110211222121} is an apocalyptic number.

It is an amenable number.

22110211222121 is a deficient number, since it is larger than the sum of its proper divisors (2012669012503).

22110211222121 is a wasteful number, since it uses less digits than its factorization.

22110211222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220817551.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22110211222121 its reverse (12122211201122), we get a palindrome (34232422423243).

The spelling of 22110211222121 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-one".