214123521221112 has 128 divisors (see below), whose sum is σ = 561270225035520. Its totient is φ = 67995801216000.

The previous prime is 214123521221081. The next prime is 214123521221147. The reversal of 214123521221112 is 211122125321412.

214123521221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 214123521221112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155488062 + ... + 156859122.

It is an arithmetic number, because the mean of its divisors is an integer number (4384923633090).

Almost surely, 2^{214123521221112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214123521221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280635112517760).

214123521221112 is an abundant number, since it is smaller than the sum of its proper divisors (347146703814408).

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

214123521221112 is a wasteful number, since it uses less digits than its factorization.

214123521221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374845 (or 1374841 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

Adding to 214123521221112 its reverse (211122125321412), we get a palindrome (425245646542524).

The spelling of 214123521221112 in words is "two hundred fourteen trillion, one hundred twenty-three billion, five hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".