22121203101121 has 8 divisors (see below), whose sum is σ = 22637805717824. Its totient is φ = 21604698486000.

The previous prime is 22121203101103. The next prime is 22121203101169. The reversal of 22121203101121 is 12110130212122.

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

It is a cyclic number.

It is not a de Polignac number, because 22121203101121 - 2⁷ = 22121203100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22121203101181) 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, 24043581 + ... + 24946666.

It is an arithmetic number, because the mean of its divisors is an integer number (2829725714728).

Almost surely, 2^{22121203101121} is an apocalyptic number.

It is an amenable number.

22121203101121 is a deficient number, since it is larger than the sum of its proper divisors (516602616703).

22121203101121 is a wasteful number, since it uses less digits than its factorization.

22121203101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49000791.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 22121203101121 its reverse (12110130212122), we get a palindrome (34231333313243).

The spelling of 22121203101121 in words is "twenty-two trillion, one hundred twenty-one billion, two hundred three million, one hundred one thousand, one hundred twenty-one".