22210121121 has 8 divisors (see below), whose sum is σ = 31355465184. Its totient is φ = 13935762240.

The previous prime is 22210121113. The next prime is 22210121123. The reversal of 22210121121 is 12112101222.

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

It is not a de Polignac number, because 22210121121 - 2³ = 22210121113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22210121121.

It is not an unprimeable number, because it can be changed into a prime (22210121123) 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, 217746235 + ... + 217746336.

It is an arithmetic number, because the mean of its divisors is an integer number (3919433148).

Almost surely, 2^22210121121 is an apocalyptic number.

It is an amenable number.

22210121121 is a deficient number, since it is larger than the sum of its proper divisors (9145344063).

22210121121 is a wasteful number, since it uses less digits than its factorization.

22210121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435492591.

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

Adding to 22210121121 its reverse (12112101222), we get a palindrome (34322222343).

The spelling of 22210121121 in words is "twenty-two billion, two hundred ten million, one hundred twenty-one thousand, one hundred twenty-one".