211214242 has 8 divisors (see below), whose sum is σ = 320832000. Its totient is φ = 104270244.

The previous prime is 211214233. The next prime is 211214243. The reversal of 211214242 is 242412112.

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

It is a super-2 number, since 2×211214242² = 89222912047269128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211214243) 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, 668242 + ... + 668557.

It is an arithmetic number, because the mean of its divisors is an integer number (40104000).

Almost surely, 2^211214242 is an apocalyptic number.

211214242 is a deficient number, since it is larger than the sum of its proper divisors (109617758).

211214242 is a wasteful number, since it uses less digits than its factorization.

211214242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336880.

The product of its digits is 256, while the sum is 19.

The square root of 211214242 is about 14533.2116890934. The cubic root of 211214242 is about 595.5356069720.

Adding to 211214242 its reverse (242412112), we get a palindrome (453626354).

The spelling of 211214242 in words is "two hundred eleven million, two hundred fourteen thousand, two hundred forty-two".