22013021111 has 2 divisors, whose sum is σ = 22013021112. Its totient is φ = 22013021110.

The previous prime is 22013021071. The next prime is 22013021131. The reversal of 22013021111 is 11112031022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22013021111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22013021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006510555 + 11006510556.

It is an arithmetic number, because the mean of its divisors is an integer number (11006510556).

Almost surely, 2^22013021111 is an apocalyptic number.

22013021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

22013021111 is an equidigital number, since it uses as much as digits as its factorization.

22013021111 is an evil number, because the sum of its binary digits is even.

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

Adding to 22013021111 its reverse (11112031022), we get a palindrome (33125052133).

The spelling of 22013021111 in words is "twenty-two billion, thirteen million, twenty-one thousand, one hundred eleven".