22011211120011 has 4 divisors (see below), whose sum is σ = 29348281493352. Its totient is φ = 14674140746672.

The previous prime is 22011211120009. The next prime is 22011211120039. The reversal of 22011211120011 is 11002111211022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22011211120011 - 2¹ = 22011211120009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011211120001) 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, 3668535186666 + ... + 3668535186671.

It is an arithmetic number, because the mean of its divisors is an integer number (7337070373338).

Almost surely, 2^{22011211120011} is an apocalyptic number.

22011211120011 is a deficient number, since it is larger than the sum of its proper divisors (7337070373341).

22011211120011 is an equidigital number, since it uses as much as digits as its factorization.

22011211120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7337070373340.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22011211120011 its reverse (11002111211022), we get a palindrome (33013322331033).

The spelling of 22011211120011 in words is "twenty-two trillion, eleven billion, two hundred eleven million, one hundred twenty thousand, eleven".