22000021311 has 8 divisors (see below), whose sum is σ = 29338070400. Its totient is φ = 14664326552.

The previous prime is 22000021297. The next prime is 22000021331. The reversal of 22000021311 is 11312000022.

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 22000021311 - 2⁵ = 22000021279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000021331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566661 + ... + 604238.

It is an arithmetic number, because the mean of its divisors is an integer number (3667258800).

Almost surely, 2^22000021311 is an apocalyptic number.

22000021311 is a deficient number, since it is larger than the sum of its proper divisors (7338049089).

22000021311 is a wasteful number, since it uses less digits than its factorization.

22000021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177165.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22000021311 its reverse (11312000022), we get a palindrome (33312021333).

The spelling of 22000021311 in words is "twenty-two billion, twenty-one thousand, three hundred eleven".