22011101331 has 8 divisors (see below), whose sum is σ = 29352529920. Its totient is φ = 14671870152.

The previous prime is 22011101317. The next prime is 22011101341. The reversal of 22011101331 is 13310111022.

It is a happy number.

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

It is not a de Polignac number, because 22011101331 - 2¹⁷ = 22010970259 is a prime.

It is a super-2 number, since 2×22011101331² (a number of 21 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 22011101331.

It is not an unprimeable number, because it can be changed into a prime (22011101341) 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, 525835 + ... + 566148.

It is an arithmetic number, because the mean of its divisors is an integer number (3669066240).

Almost surely, 2^22011101331 is an apocalyptic number.

22011101331 is a deficient number, since it is larger than the sum of its proper divisors (7341428589).

22011101331 is a wasteful number, since it uses less digits than its factorization.

22011101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098705.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 22011101331 its reverse (13310111022), we get a palindrome (35321212353).

The spelling of 22011101331 in words is "twenty-two billion, eleven million, one hundred one thousand, three hundred thirty-one".