22201121122 has 4 divisors (see below), whose sum is σ = 33301681686. Its totient is φ = 11100560560.

The previous prime is 22201121099. The next prime is 22201121141. The reversal of 22201121122 is 22112110222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21880030561 + 321090561 = 147919^2 + 17919^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22201121096 and 22201121105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550280279 + ... + 5550280282.

Almost surely, 2^22201121122 is an apocalyptic number.

22201121122 is a deficient number, since it is larger than the sum of its proper divisors (11100560564).

22201121122 is a wasteful number, since it uses less digits than its factorization.

22201121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100560563.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22201121122 its reverse (22112110222), we get a palindrome (44313231344).

The spelling of 22201121122 in words is "twenty-two billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-two".