22002222111011 has 4 divisors (see below), whose sum is σ = 22513901695032. Its totient is φ = 21490542526992.

The previous prime is 22002222110963. The next prime is 22002222111047. The reversal of 22002222111011 is 11011122220022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002222111011 is a prime.

It is a super-2 number, since 2×22002222111011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002222111061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255839791946 + ... + 255839792031.

It is an arithmetic number, because the mean of its divisors is an integer number (5628475423758).

Almost surely, 2^{22002222111011} is an apocalyptic number.

22002222111011 is a deficient number, since it is larger than the sum of its proper divisors (511679584021).

22002222111011 is an equidigital number, since it uses as much as digits as its factorization.

22002222111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511679584020.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22002222111011 its reverse (11011122220022), we get a palindrome (33013344331033).

The spelling of 22002222111011 in words is "twenty-two trillion, two billion, two hundred twenty-two million, one hundred eleven thousand, eleven".