1214142211 has 4 divisors (see below), whose sum is σ = 1239975072. Its totient is φ = 1188309352.

The previous prime is 1214142203. The next prime is 1214142233. The reversal of 1214142211 is 1122414121.

It is a happy number.

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 1214142211 - 2³ = 1214142203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214142511) 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, 12916360 + ... + 12916453.

It is an arithmetic number, because the mean of its divisors is an integer number (309993768).

Almost surely, 2^1214142211 is an apocalyptic number.

1214142211 is a deficient number, since it is larger than the sum of its proper divisors (25832861).

1214142211 is an equidigital number, since it uses as much as digits as its factorization.

1214142211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25832860.

The product of its digits is 128, while the sum is 19.

The square root of 1214142211 is about 34844.5434896197. The cubic root of 1214142211 is about 1066.8168158533.

Adding to 1214142211 its reverse (1122414121), we get a palindrome (2336556332).

The spelling of 1214142211 in words is "one billion, two hundred fourteen million, one hundred forty-two thousand, two hundred eleven".