211251122214 has 16 divisors (see below), whose sum is σ = 460911539520. Its totient is φ = 64015491560.

The previous prime is 211251122213. The next prime is 211251122221. The reversal of 211251122214 is 412221152112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211251122213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600387224 + ... + 1600387355.

It is an arithmetic number, because the mean of its divisors is an integer number (28806971220).

Almost surely, 2^211251122214 is an apocalyptic number.

211251122214 is an abundant number, since it is smaller than the sum of its proper divisors (249660417306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211251122214 is a wasteful number, since it uses less digits than its factorization.

211251122214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200774595.

The product of its digits is 640, while the sum is 24.

Adding to 211251122214 its reverse (412221152112), we get a palindrome (623472274326).

The spelling of 211251122214 in words is "two hundred eleven billion, two hundred fifty-one million, one hundred twenty-two thousand, two hundred fourteen".