22112221011001 has 16 divisors (see below), whose sum is σ = 24631355274048. Its totient is φ = 19681928812800.

The previous prime is 22112221010989. The next prime is 22112221011007. The reversal of 22112221011001 is 10011012221122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22112221011001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22112221011007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100390035 + ... + 100610056.

It is an arithmetic number, because the mean of its divisors is an integer number (1539459704628).

Almost surely, 2^{22112221011001} is an apocalyptic number.

It is an amenable number.

22112221011001 is a deficient number, since it is larger than the sum of its proper divisors (2519134263047).

22112221011001 is a wasteful number, since it uses less digits than its factorization.

22112221011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201000312.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22112221011001 its reverse (10011012221122), we get a palindrome (32123233232123).

It can be divided in two parts, 2211222 and 1011001, that added together give a palindrome (3222223).

The spelling of 22112221011001 in words is "twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, eleven thousand, one".