22021220111001 has 8 divisors (see below), whose sum is σ = 29384091721824. Its totient is φ = 14669580953760.

The previous prime is 22021220110979. The next prime is 22021220111039. The reversal of 22021220111001 is 10011102212022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22021220111001 - 2¹³ = 22021220102809 is a prime.

It is a super-2 number, since 2×22021220111001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22021220116001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2808108820 + ... + 2808116661.

It is an arithmetic number, because the mean of its divisors is an integer number (3673011465228).

Almost surely, 2^{22021220111001} is an apocalyptic number.

It is an amenable number.

22021220111001 is a deficient number, since it is larger than the sum of its proper divisors (7362871610823).

22021220111001 is a wasteful number, since it uses less digits than its factorization.

22021220111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616226791.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22021220111001 its reverse (10011102212022), we get a palindrome (32032322323023).

The spelling of 22021220111001 in words is "twenty-two trillion, twenty-one billion, two hundred twenty million, one hundred eleven thousand, one".