2111211021201 has 16 divisors (see below), whose sum is σ = 2863105678080. Its totient is φ = 1383427624320.

The previous prime is 2111211021187. The next prime is 2111211021211. The reversal of 2111211021201 is 1021201121112.

It is a happy number.

It is not a de Polignac number, because 2111211021201 - 2³⁰ = 2110137279377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111211021211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3793236 + ... + 4314053.

It is an arithmetic number, because the mean of its divisors is an integer number (178944104880).

Almost surely, 2^{2111211021201} is an apocalyptic number.

It is an amenable number.

2111211021201 is a deficient number, since it is larger than the sum of its proper divisors (751894656879).

2111211021201 is a wasteful number, since it uses less digits than its factorization.

2111211021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8108776.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2111211021201 its reverse (1021201121112), we get a palindrome (3132412142313).

The spelling of 2111211021201 in words is "two trillion, one hundred eleven billion, two hundred eleven million, twenty-one thousand, two hundred one".