2111420211 has 4 divisors (see below), whose sum is σ = 2815226952. Its totient is φ = 1407613472.

The previous prime is 2111420209. The next prime is 2111420249. The reversal of 2111420211 is 1120241112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111420211 - 2¹ = 2111420209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2111420411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351903366 + ... + 351903371.

It is an arithmetic number, because the mean of its divisors is an integer number (703806738).

Almost surely, 2^2111420211 is an apocalyptic number.

2111420211 is a deficient number, since it is larger than the sum of its proper divisors (703806741).

2111420211 is an equidigital number, since it uses as much as digits as its factorization.

2111420211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703806740.

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

The square root of 2111420211 is about 45950.1927199441. The cubic root of 2111420211 is about 1282.8963163845.

Adding to 2111420211 its reverse (1120241112), we get a palindrome (3231661323).

The spelling of 2111420211 in words is "two billion, one hundred eleven million, four hundred twenty thousand, two hundred eleven".