22011001001121 has 32 divisors (see below), whose sum is σ = 33453209410560. Its totient is φ = 12742733678400.

The previous prime is 22011001001071. The next prime is 22011001001131. The reversal of 22011001001121 is 12110010011022.

It is not a de Polignac number, because 22011001001121 - 2⁹ = 22011001000609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22011001001097 and 22011001001106.

It is not an unprimeable number, because it can be changed into a prime (22011001001131) 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 31 ways as a sum of consecutive naturals, for example, 19060210 + ... + 20182011.

It is an arithmetic number, because the mean of its divisors is an integer number (1045412794080).

Almost surely, 2^{22011001001121} is an apocalyptic number.

It is an amenable number.

22011001001121 is a deficient number, since it is larger than the sum of its proper divisors (11442208409439).

22011001001121 is a wasteful number, since it uses less digits than its factorization.

22011001001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39242997.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22011001001121 its reverse (12110010011022), we get a palindrome (34121011012143).

Subtracting from 22011001001121 its reverse (12110010011022), we obtain a palindrome (9900990990099).

The spelling of 22011001001121 in words is "twenty-two trillion, eleven billion, one million, one thousand, one hundred twenty-one".