22003122213121 has 16 divisors (see below), whose sum is σ = 26948930621184. Its totient is φ = 17552264013504.

The previous prime is 22003122213109. The next prime is 22003122213139. The reversal of 22003122213121 is 12131222130022.

It is a cyclic number.

It is not a de Polignac number, because 22003122213121 - 2⁵ = 22003122213089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22003122213092 and 22003122213101.

It is not an unprimeable number, because it can be changed into a prime (22003122013121) 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, 1846823170 + ... + 1846835083.

It is an arithmetic number, because the mean of its divisors is an integer number (1684308163824).

Almost surely, 2^{22003122213121} is an apocalyptic number.

It is an amenable number.

22003122213121 is a deficient number, since it is larger than the sum of its proper divisors (4945808408063).

22003122213121 is a wasteful number, since it uses less digits than its factorization.

22003122213121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693658320.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22003122213121 its reverse (12131222130022), we get a palindrome (34134344343143).

The spelling of 22003122213121 in words is "twenty-two trillion, three billion, one hundred twenty-two million, two hundred thirteen thousand, one hundred twenty-one".