22021001122 has 8 divisors (see below), whose sum is σ = 33032175696. Its totient is φ = 11010275892.

The previous prime is 22021001099. The next prime is 22021001173. The reversal of 22021001122 is 22110012022.

It is a happy number.

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

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, 68233 + ... + 220675.

It is an arithmetic number, because the mean of its divisors is an integer number (4129021962).

Almost surely, 2^22021001122 is an apocalyptic number.

22021001122 is a deficient number, since it is larger than the sum of its proper divisors (11011174574).

22021001122 is a wasteful number, since it uses less digits than its factorization.

22021001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224672.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22021001122 its reverse (22110012022), we get a palindrome (44131013144).

The spelling of 22021001122 in words is "twenty-two billion, twenty-one million, one thousand, one hundred twenty-two".