211214133242 has 16 divisors (see below), whose sum is σ = 365666337792. Its totient is φ = 89624101200.

The previous prime is 211214133223. The next prime is 211214133269. The reversal of 211214133242 is 242331412112.

It is a happy number.

It is a super-2 number, since 2×211214133242² (a number of 23 digits) contains 22 as substring.

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, 74685338 + ... + 74688165.

It is an arithmetic number, because the mean of its divisors is an integer number (22854146112).

Almost surely, 2^211214133242 is an apocalyptic number.

211214133242 is a deficient number, since it is larger than the sum of its proper divisors (154452204550).

211214133242 is a wasteful number, since it uses less digits than its factorization.

211214133242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149373613.

The product of its digits is 2304, while the sum is 26.

Adding to 211214133242 its reverse (242331412112), we get a palindrome (453545545354).

The spelling of 211214133242 in words is "two hundred eleven billion, two hundred fourteen million, one hundred thirty-three thousand, two hundred forty-two".