22121201122 has 8 divisors (see below), whose sum is σ = 33443076096. Its totient is φ = 10973509092.

The previous prime is 22121201107. The next prime is 22121201191. The reversal of 22121201122 is 22110212122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22121201096 and 22121201105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43545418 + ... + 43545925.

It is an arithmetic number, because the mean of its divisors is an integer number (4180384512).

Almost surely, 2^22121201122 is an apocalyptic number.

22121201122 is a deficient number, since it is larger than the sum of its proper divisors (11321874974).

22121201122 is a wasteful number, since it uses less digits than its factorization.

22121201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87091472.

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

Adding to 22121201122 its reverse (22110212122), we get a palindrome (44231413244).

The spelling of 22121201122 in words is "twenty-two billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-two".