22011000121001 has 4 divisors (see below), whose sum is σ = 23169473811600. Its totient is φ = 20852526430404.

The previous prime is 22011000120979. The next prime is 22011000121009. The reversal of 22011000121001 is 10012100011022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22011000121001 - 2⁶ = 22011000120937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011000121009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579236845271 + ... + 579236845308.

It is an arithmetic number, because the mean of its divisors is an integer number (5792368452900).

Almost surely, 2^{22011000121001} is an apocalyptic number.

It is an amenable number.

22011000121001 is a deficient number, since it is larger than the sum of its proper divisors (1158473690599).

22011000121001 is a wasteful number, since it uses less digits than its factorization.

22011000121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158473690598.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22011000121001 its reverse (10012100011022), we get a palindrome (32023100132023).

The spelling of 22011000121001 in words is "twenty-two trillion, eleven billion, one hundred twenty-one thousand, one".