22121020112011 has 8 divisors (see below), whose sum is σ = 22145065388784. Its totient is φ = 22096987806720.

The previous prime is 22121020111963. The next prime is 22121020112027. The reversal of 22121020112011 is 11021102012122.

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 22121020112011 - 2²⁹ = 22120483241099 is a prime.

It is a Duffinian number.

22121020112011 is a modest number, since divided by 20112011 gives 221210 as remainder.

It is not an unprimeable number, because it can be changed into a prime (22121020112071) 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, 171651 + ... + 6653683.

It is an arithmetic number, because the mean of its divisors is an integer number (2768133173598).

Almost surely, 2^{22121020112011} is an apocalyptic number.

22121020112011 is a deficient number, since it is larger than the sum of its proper divisors (24045276773).

22121020112011 is a wasteful number, since it uses less digits than its factorization.

22121020112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485741.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22121020112011 its reverse (11021102012122), we get a palindrome (33142122124133).

The spelling of 22121020112011 in words is "twenty-two trillion, one hundred twenty-one billion, twenty million, one hundred twelve thousand, eleven".