21112331023011 has 8 divisors (see below), whose sum is σ = 29805643797264. Its totient is φ = 13246952798720.

The previous prime is 21112331022971. The next prime is 21112331023061. The reversal of 21112331023011 is 11032013321112.

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 21112331023011 - 2⁹ = 21112331022499 is a prime.

It is a super-2 number, since 2×21112331023011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21112331023061) 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, 206983637430 + ... + 206983637531.

It is an arithmetic number, because the mean of its divisors is an integer number (3725705474658).

Almost surely, 2^{21112331023011} is an apocalyptic number.

21112331023011 is a deficient number, since it is larger than the sum of its proper divisors (8693312774253).

21112331023011 is a wasteful number, since it uses less digits than its factorization.

21112331023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413967274981.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 21112331023011 its reverse (11032013321112), we get a palindrome (32144344344123).

The spelling of 21112331023011 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-one million, twenty-three thousand, eleven".