22022121210011 has 4 divisors (see below), whose sum is σ = 23716130533872. Its totient is φ = 20328111886152.

The previous prime is 22022121209993. The next prime is 22022121210071. The reversal of 22022121210011 is 11001212122022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22022121210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022121210071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847004661911 + ... + 847004661936.

It is an arithmetic number, because the mean of its divisors is an integer number (5929032633468).

Almost surely, 2^{22022121210011} is an apocalyptic number.

22022121210011 is a deficient number, since it is larger than the sum of its proper divisors (1694009323861).

22022121210011 is a wasteful number, since it uses less digits than its factorization.

22022121210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694009323860.

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

Adding to 22022121210011 its reverse (11001212122022), we get a palindrome (33023333332033).

The spelling of 22022121210011 in words is "twenty-two trillion, twenty-two billion, one hundred twenty-one million, two hundred ten thousand, eleven".