22110220011121 has 48 divisors (see below), whose sum is σ = 26697029990400. Its totient is φ = 18212531309280.

The previous prime is 22110220011109. The next prime is 22110220011127. The reversal of 22110220011121 is 12111002201122.

It is not a de Polignac number, because 22110220011121 - 2¹⁹ = 22110219486833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22110220011095 and 22110220011104.

It is not an unprimeable number, because it can be changed into a prime (22110220011127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 841735830 + ... + 841762096.

It is an arithmetic number, because the mean of its divisors is an integer number (556188124800).

Almost surely, 2^{22110220011121} is an apocalyptic number.

It is an amenable number.

22110220011121 is a deficient number, since it is larger than the sum of its proper divisors (4586809979279).

22110220011121 is a wasteful number, since it uses less digits than its factorization.

22110220011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42250 (or 42239 counting only the distinct ones).

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

Adding to 22110220011121 its reverse (12111002201122), we get a palindrome (34221222212243).

The spelling of 22110220011121 in words is "twenty-two trillion, one hundred ten billion, two hundred twenty million, eleven thousand, one hundred twenty-one".