2111220020211 has 8 divisors (see below), whose sum is σ = 2963115817920. Its totient is φ = 1333402117992.

The previous prime is 2111220020209. The next prime is 2111220020213. The reversal of 2111220020211 is 1120200221112.

It is an interprime number because it is at equal distance from previous prime (2111220020209) and next prime (2111220020213).

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

It is not a de Polignac number, because 2111220020211 - 2¹ = 2111220020209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111220020213) 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, 18519473805 + ... + 18519473918.

It is an arithmetic number, because the mean of its divisors is an integer number (370389477240).

Almost surely, 2^{2111220020211} is an apocalyptic number.

2111220020211 is a deficient number, since it is larger than the sum of its proper divisors (851895797709).

2111220020211 is a wasteful number, since it uses less digits than its factorization.

2111220020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37038947745.

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

Adding to 2111220020211 its reverse (1120200221112), we get a palindrome (3231420241323).

The spelling of 2111220020211 in words is "two trillion, one hundred eleven billion, two hundred twenty million, twenty thousand, two hundred eleven".