22122001110001 has 4 divisors (see below), whose sum is σ = 23823693503092. Its totient is φ = 20420308716912.

The previous prime is 22122001109981. The next prime is 22122001110017. The reversal of 22122001110001 is 10001110022122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14388373826401 + 7733627283600 = 3793201^2 + 2780940^2 .

It is not a de Polignac number, because 22122001110001 - 2⁹ = 22122001109489 is a prime.

It is a super-2 number, since 2×22122001110001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1701692393077 = 22122001110001 / (2 + 2 + 1 + 2 + 2 + 0 + 0 + 1 + 1 + 1 + 0 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122001110401) 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, 850846196526 + ... + 850846196551.

It is an arithmetic number, because the mean of its divisors is an integer number (5955923375773).

Almost surely, 2^{22122001110001} is an apocalyptic number.

It is an amenable number.

22122001110001 is a deficient number, since it is larger than the sum of its proper divisors (1701692393091).

22122001110001 is a wasteful number, since it uses less digits than its factorization.

22122001110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701692393090.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22122001110001 its reverse (10001110022122), we get a palindrome (32123111132123).

The spelling of 22122001110001 in words is "twenty-two trillion, one hundred twenty-two billion, one million, one hundred ten thousand, one".