22201111121 has 16 divisors (see below), whose sum is σ = 27320561280. Its totient is φ = 17606572800.

The previous prime is 22201111099. The next prime is 22201111133. The reversal of 22201111121 is 12111110222.

It is a cyclic number.

It is not a de Polignac number, because 22201111121 - 2¹⁰ = 22201110097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22201111096 and 22201111105.

It is not an unprimeable number, because it can be changed into a prime (22201114121) 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, 1574030 + ... + 1588071.

It is an arithmetic number, because the mean of its divisors is an integer number (1707535080).

Almost surely, 2^22201111121 is an apocalyptic number.

It is an amenable number.

22201111121 is a deficient number, since it is larger than the sum of its proper divisors (5119450159).

22201111121 is a wasteful number, since it uses less digits than its factorization.

22201111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3162184.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22201111121 its reverse (12111110222), we get a palindrome (34312221343).

The spelling of 22201111121 in words is "twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twenty-one".