22221121002011 has 2 divisors, whose sum is σ = 22221121002012. Its totient is φ = 22221121002010.

The previous prime is 22221121002001. The next prime is 22221121002019. The reversal of 22221121002011 is 11020012112222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221121002011 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221121002019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110560501005 + 11110560501006.

It is an arithmetic number, because the mean of its divisors is an integer number (11110560501006).

Almost surely, 2^{22221121002011} is an apocalyptic number.

22221121002011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221121002011 is an equidigital number, since it uses as much as digits as its factorization.

22221121002011 is an evil number, because the sum of its binary digits is even.

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

Adding to 22221121002011 its reverse (11020012112222), we get a palindrome (33241133114233).

The spelling of 22221121002011 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, two thousand, eleven".