22001000021331 has 8 divisors (see below), whose sum is σ = 31060235324304. Its totient is φ = 13804549032960.

The previous prime is 22001000021269. The next prime is 22001000021369. The reversal of 22001000021331 is 13312000010022.

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

It is not a de Polignac number, because 22001000021331 - 2¹⁴ = 22001000004947 is a prime.

It is a super-2 number, since 2×22001000021331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22001000021331.

It is not an unprimeable number, because it can be changed into a prime (22001000020331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215696078590 + ... + 215696078691.

It is an arithmetic number, because the mean of its divisors is an integer number (3882529415538).

Almost surely, 2^{22001000021331} is an apocalyptic number.

22001000021331 is a deficient number, since it is larger than the sum of its proper divisors (9059235302973).

22001000021331 is a wasteful number, since it uses less digits than its factorization.

22001000021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431392157301.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22001000021331 its reverse (13312000010022), we get a palindrome (35313000031353).

The spelling of 22001000021331 in words is "twenty-two trillion, one billion, twenty-one thousand, three hundred thirty-one".