2041221111 has 8 divisors (see below), whose sum is σ = 2731977600. Its totient is φ = 1355639352.

The previous prime is 2041221107. The next prime is 2041221113. The reversal of 2041221111 is 1111221402.

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

It is not a de Polignac number, because 2041221111 - 2² = 2041221107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041221113) 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, 1292761 + ... + 1294338.

It is an arithmetic number, because the mean of its divisors is an integer number (341497200).

Almost surely, 2^2041221111 is an apocalyptic number.

2041221111 is a deficient number, since it is larger than the sum of its proper divisors (690756489).

2041221111 is a wasteful number, since it uses less digits than its factorization.

2041221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587365.

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

The square root of 2041221111 is about 45179.8750662283. The cubic root of 2041221111 is about 1268.5181449348.

Adding to 2041221111 its reverse (1111221402), we get a palindrome (3152442513).

The spelling of 2041221111 in words is "two billion, forty-one million, two hundred twenty-one thousand, one hundred eleven".