22011210112011 has 4 divisors (see below), whose sum is σ = 29348280149352. Its totient is φ = 14674140074672.

The previous prime is 22011210112009. The next prime is 22011210112043. The reversal of 22011210112011 is 11021101211022.

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 22011210112011 - 2¹ = 22011210112009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22011210112081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3668535018666 + ... + 3668535018671.

It is an arithmetic number, because the mean of its divisors is an integer number (7337070037338).

Almost surely, 2^{22011210112011} is an apocalyptic number.

22011210112011 is a deficient number, since it is larger than the sum of its proper divisors (7337070037341).

22011210112011 is an equidigital number, since it uses as much as digits as its factorization.

22011210112011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337070037340.

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

Adding to 22011210112011 its reverse (11021101211022), we get a palindrome (33032311323033).

The spelling of 22011210112011 in words is "twenty-two trillion, eleven billion, two hundred ten million, one hundred twelve thousand, eleven".