2111021222001 has 8 divisors (see below), whose sum is σ = 2824640882400. Its totient is φ = 1402374521472.

The previous prime is 2111021221999. The next prime is 2111021222029. The reversal of 2111021222001 is 1002221201112.

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

It is not a de Polignac number, because 2111021222001 - 2¹ = 2111021221999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2111021222501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1243238976 + ... + 1243240673.

It is an arithmetic number, because the mean of its divisors is an integer number (353080110300).

Almost surely, 2^{2111021222001} is an apocalyptic number.

It is an amenable number.

2111021222001 is a deficient number, since it is larger than the sum of its proper divisors (713619660399).

2111021222001 is a wasteful number, since it uses less digits than its factorization.

2111021222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486479935.

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

Adding to 2111021222001 its reverse (1002221201112), we get a palindrome (3113242423113).

The spelling of 2111021222001 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred twenty-two thousand, one".