22101221001011 has 2 divisors, whose sum is σ = 22101221001012. Its totient is φ = 22101221001010.

The previous prime is 22101221000959. The next prime is 22101221001019. The reversal of 22101221001011 is 11010012210122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22101221001011 - 2¹⁰ = 22101220999987 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22101221001019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050610500505 + 11050610500506.

It is an arithmetic number, because the mean of its divisors is an integer number (11050610500506).

Almost surely, 2^{22101221001011} is an apocalyptic number.

22101221001011 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101221001011 is an equidigital number, since it uses as much as digits as its factorization.

22101221001011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 22101221001011 its reverse (11010012210122), we get a palindrome (33111233211133).

The spelling of 22101221001011 in words is "twenty-two trillion, one hundred one billion, two hundred twenty-one million, one thousand, eleven".