213111041 has 8 divisors (see below), whose sum is σ = 250368384. Its totient is φ = 178834320.

The previous prime is 213111013. The next prime is 213111043. The reversal of 213111041 is 140111312.

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

It is a cyclic number.

It is not a de Polignac number, because 213111041 - 2⁶ = 213110977 is a prime.

It is a super-2 number, since 2×213111041² = 90832631592207362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213111043) 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, 745001 + ... + 745286.

It is an arithmetic number, because the mean of its divisors is an integer number (31296048).

Almost surely, 2^213111041 is an apocalyptic number.

It is an amenable number.

213111041 is a deficient number, since it is larger than the sum of its proper divisors (37257343).

213111041 is a wasteful number, since it uses less digits than its factorization.

213111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490311.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 213111041 is about 14598.3232256311. The cubic root of 213111041 is about 597.3130228485.

Adding to 213111041 its reverse (140111312), we get a palindrome (353222353).

The spelling of 213111041 in words is "two hundred thirteen million, one hundred eleven thousand, forty-one".