22212100212011 has 2 divisors, whose sum is σ = 22212100212012. Its totient is φ = 22212100212010.

The previous prime is 22212100211963. The next prime is 22212100212013. The reversal of 22212100212011 is 11021200121222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22212100212011 is a prime.

It is a super-2 number, since 2×22212100212011² (a number of 27 digits) contains 22 as substring.

Together with 22212100212013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22212100212013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106050106005 + 11106050106006.

It is an arithmetic number, because the mean of its divisors is an integer number (11106050106006).

Almost surely, 2^{22212100212011} is an apocalyptic number.

22212100212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212100212011 is an equidigital number, since it uses as much as digits as its factorization.

22212100212011 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 22212100212011 its reverse (11021200121222), we get a palindrome (33233300333233).

The spelling of 22212100212011 in words is "twenty-two trillion, two hundred twelve billion, one hundred million, two hundred twelve thousand, eleven".