22121321233309 has 8 divisors (see below), whose sum is σ = 23294736540000. Its totient is φ = 20948819450832.

The previous prime is 22121321233273. The next prime is 22121321233313. The reversal of 22121321233309 is 90333212312122.

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 22121321233309 - 2¹⁹ = 22121320709021 is a prime.

It is a super-2 number, since 2×22121321233309² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22121321233379) 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, 228331339 + ... + 228428200.

It is an arithmetic number, because the mean of its divisors is an integer number (2911842067500).

Almost surely, 2^{22121321233309} is an apocalyptic number.

It is an amenable number.

22121321233309 is a deficient number, since it is larger than the sum of its proper divisors (1173415306691).

22121321233309 is a wasteful number, since it uses less digits than its factorization.

22121321233309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456762107.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 22121321233309 in words is "twenty-two trillion, one hundred twenty-one billion, three hundred twenty-one million, two hundred thirty-three thousand, three hundred nine".