42211151 has 4 divisors (see below), whose sum is σ = 42621072. Its totient is φ = 41801232.

The previous prime is 42211129. The next prime is 42211157. The reversal of 42211151 is 15111224.

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 42211151 - 2¹⁸ = 41949007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211157) 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, 204806 + ... + 205011.

It is an arithmetic number, because the mean of its divisors is an integer number (10655268).

Almost surely, 2^42211151 is an apocalyptic number.

42211151 is a deficient number, since it is larger than the sum of its proper divisors (409921).

42211151 is a wasteful number, since it uses less digits than its factorization.

42211151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409920.

The product of its digits is 80, while the sum is 17.

The square root of 42211151 is about 6497.0109281115. The cubic root of 42211151 is about 348.1842041265.

Adding to 42211151 its reverse (15111224), we get a palindrome (57322375).

The spelling of 42211151 in words is "forty-two million, two hundred eleven thousand, one hundred fifty-one".