22122220101011 has 4 divisors (see below), whose sum is σ = 22122488432400. Its totient is φ = 22121951769624.

The previous prime is 22122220100999. The next prime is 22122220101101. The reversal of 22122220101011 is 11010102222122.

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-22122220101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122220101211) 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, 134041991 + ... + 134206928.

It is an arithmetic number, because the mean of its divisors is an integer number (5530622108100).

Almost surely, 2^{22122220101011} is an apocalyptic number.

22122220101011 is a deficient number, since it is larger than the sum of its proper divisors (268331389).

22122220101011 is an equidigital number, since it uses as much as digits as its factorization.

22122220101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268331388.

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

Adding to 22122220101011 its reverse (11010102222122), we get a palindrome (33132322323133).

The spelling of 22122220101011 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred one thousand, eleven".