22098889121 has 8 divisors (see below), whose sum is σ = 22829305344. Its totient is φ = 21369569760.

The previous prime is 22098889073. The next prime is 22098889129. The reversal of 22098889121 is 12198889022.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-22098889121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22098889121.

It is not an unprimeable number, because it can be changed into a prime (22098889129) 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, 233156 + ... + 313941.

It is an arithmetic number, because the mean of its divisors is an integer number (2853663168).

Almost surely, 2^22098889121 is an apocalyptic number.

It is an amenable number.

22098889121 is a deficient number, since it is larger than the sum of its proper divisors (730416223).

22098889121 is a wasteful number, since it uses less digits than its factorization.

22098889121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548431.

The product of its (nonzero) digits is 331776, while the sum is 50.

Subtracting from 22098889121 its reverse (12198889022), we obtain a palindrome (9900000099).

The spelling of 22098889121 in words is "twenty-two billion, ninety-eight million, eight hundred eighty-nine thousand, one hundred twenty-one".