214451112142 has 4 divisors (see below), whose sum is σ = 321676668216. Its totient is φ = 107225556070.

The previous prime is 214451112121. The next prime is 214451112143. The reversal of 214451112142 is 241211154412.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 214451112142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214451112143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53612778034 + ... + 53612778037.

It is an arithmetic number, because the mean of its divisors is an integer number (80419167054).

Almost surely, 2^214451112142 is an apocalyptic number.

214451112142 is a deficient number, since it is larger than the sum of its proper divisors (107225556074).

214451112142 is a wasteful number, since it uses less digits than its factorization.

214451112142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107225556073.

The product of its digits is 2560, while the sum is 28.

Adding to 214451112142 its reverse (241211154412), we get a palindrome (455662266554).

The spelling of 214451112142 in words is "two hundred fourteen billion, four hundred fifty-one million, one hundred twelve thousand, one hundred forty-two".