22002131111 has 8 divisors (see below), whose sum is σ = 22305856944. Its totient is φ = 21699325440.

The previous prime is 22002131087. The next prime is 22002131117. The reversal of 22002131111 is 11113120022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002131111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002131117) 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, 181820 + ... + 277601.

It is an arithmetic number, because the mean of its divisors is an integer number (2788232118).

Almost surely, 2^22002131111 is an apocalyptic number.

22002131111 is a deficient number, since it is larger than the sum of its proper divisors (303725833).

22002131111 is an equidigital number, since it uses as much as digits as its factorization.

22002131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460081.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22002131111 its reverse (11113120022), we get a palindrome (33115251133).

The spelling of 22002131111 in words is "twenty-two billion, two million, one hundred thirty-one thousand, one hundred eleven".