2001021112022 has 8 divisors (see below), whose sum is σ = 3132033044976. Its totient is φ = 957010097032.

The previous prime is 2001021112001. The next prime is 2001021112033. The reversal of 2001021112022 is 2202111201002.

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

It is a super-2 number, since 2×2001021112022² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2001021111988 and 2001021112006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21750229433 + ... + 21750229524.

It is an arithmetic number, because the mean of its divisors is an integer number (391504130622).

Almost surely, 2^{2001021112022} is an apocalyptic number.

2001021112022 is a deficient number, since it is larger than the sum of its proper divisors (1131011932954).

2001021112022 is a wasteful number, since it uses less digits than its factorization.

2001021112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43500458982.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2001021112022 its reverse (2202111201002), we get a palindrome (4203132313024).

The spelling of 2001021112022 in words is "two trillion, one billion, twenty-one million, one hundred twelve thousand, twenty-two".