2111222201001 has 8 divisors (see below), whose sum is σ = 2814979939584. Its totient is φ = 1407472964880.

The previous prime is 2111222200999. The next prime is 2111222201017. The reversal of 2111222201001 is 1001022221112.

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

It is not a de Polignac number, because 2111222201001 - 2¹ = 2111222200999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2111222201701) 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 7 ways as a sum of consecutive naturals, for example, 1521721 + ... + 2556966.

It is an arithmetic number, because the mean of its divisors is an integer number (351872492448).

Almost surely, 2^{2111222201001} is an apocalyptic number.

It is an amenable number.

2111222201001 is a deficient number, since it is larger than the sum of its proper divisors (703757738583).

2111222201001 is a wasteful number, since it uses less digits than its factorization.

2111222201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251231.

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

Adding to 2111222201001 its reverse (1001022221112), we get a palindrome (3112244422113).

The spelling of 2111222201001 in words is "two trillion, one hundred eleven billion, two hundred twenty-two million, two hundred one thousand, one".