22011013111 has 8 divisors (see below), whose sum is σ = 22756184064. Its totient is φ = 21268038360.

The previous prime is 22011013097. The next prime is 22011013127. The reversal of 22011013111 is 11131011022.

It is a happy number.

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 22011013111 - 2⁷ = 22011012983 is a prime.

It is a super-2 number, since 2×22011013111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011013091 and 22011013100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011013411) 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, 528655 + ... + 568768.

It is an arithmetic number, because the mean of its divisors is an integer number (2844523008).

Almost surely, 2^22011013111 is an apocalyptic number.

22011013111 is a deficient number, since it is larger than the sum of its proper divisors (745170953).

22011013111 is a wasteful number, since it uses less digits than its factorization.

22011013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098101.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 22011013111 its reverse (11131011022), we get a palindrome (33142024133).

The spelling of 22011013111 in words is "twenty-two billion, eleven million, thirteen thousand, one hundred eleven".