211142414 has 16 divisors (see below), whose sum is σ = 383250528. Its totient is φ = 85166592.

The previous prime is 211142381. The next prime is 211142423. The reversal of 211142414 is 414241112.

211142414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×211142414² = 89162237979494792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443339 + ... + 443814.

It is an arithmetic number, because the mean of its divisors is an integer number (23953158).

Almost surely, 2^211142414 is an apocalyptic number.

211142414 is a deficient number, since it is larger than the sum of its proper divisors (172108114).

211142414 is a wasteful number, since it uses less digits than its factorization.

211142414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887179.

The product of its digits is 256, while the sum is 20.

The square root of 211142414 is about 14530.7403114914. The cubic root of 211142414 is about 595.4680910364.

Adding to 211142414 its reverse (414241112), we get a palindrome (625383526).

The spelling of 211142414 in words is "two hundred eleven million, one hundred forty-two thousand, four hundred fourteen".