22202121111 has 8 divisors (see below), whose sum is σ = 29780091264. Its totient is φ = 14712782520.

The previous prime is 22202121079. The next prime is 22202121133. The reversal of 22202121111 is 11112120222.

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

It is not a de Polignac number, because 22202121111 - 2⁵ = 22202121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202121311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22157305 + ... + 22158306.

It is an arithmetic number, because the mean of its divisors is an integer number (3722511408).

Almost surely, 2^22202121111 is an apocalyptic number.

22202121111 is a deficient number, since it is larger than the sum of its proper divisors (7577970153).

22202121111 is a wasteful number, since it uses less digits than its factorization.

22202121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44315781.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22202121111 its reverse (11112120222), we get a palindrome (33314241333).

The spelling of 22202121111 in words is "twenty-two billion, two hundred two million, one hundred twenty-one thousand, one hundred eleven".