211403403214 has 32 divisors (see below), whose sum is σ = 337262284800. Its totient is φ = 99103474080.

The previous prime is 211403403209. The next prime is 211403403259. The reversal of 211403403214 is 412304304112.

It is a super-2 number, since 2×211403403214² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380499 + ... + 1525969.

It is an arithmetic number, because the mean of its divisors is an integer number (10539446400).

Almost surely, 2^211403403214 is an apocalyptic number.

211403403214 is a deficient number, since it is larger than the sum of its proper divisors (125858881586).

211403403214 is a wasteful number, since it uses less digits than its factorization.

211403403214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145888.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 211403403214 its reverse (412304304112), we get a palindrome (623707707326).

The spelling of 211403403214 in words is "two hundred eleven billion, four hundred three million, four hundred three thousand, two hundred fourteen".