22111012011001 has 16 divisors (see below), whose sum is σ = 23658324770304. Its totient is φ = 20591202760704.

The previous prime is 22111012010987. The next prime is 22111012011013. The reversal of 22111012011001 is 10011021011122.

It is a happy number.

It is not a de Polignac number, because 22111012011001 - 2⁷ = 22111012010873 is a prime.

It is a super-2 number, since 2×22111012011001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111012011071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5857276 + ... + 8861698.

It is an arithmetic number, because the mean of its divisors is an integer number (1478645298144).

Almost surely, 2^{22111012011001} is an apocalyptic number.

It is an amenable number.

22111012011001 is a deficient number, since it is larger than the sum of its proper divisors (1547312759303).

22111012011001 is a wasteful number, since it uses less digits than its factorization.

22111012011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009000.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111012011001 its reverse (10011021011122), we get a palindrome (32122033022123).

The spelling of 22111012011001 in words is "twenty-two trillion, one hundred eleven billion, twelve million, eleven thousand, one".