210113124142 has 4 divisors (see below), whose sum is σ = 315169686216. Its totient is φ = 105056562070.

The previous prime is 210113124131. The next prime is 210113124209. The reversal of 210113124142 is 241421311012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52528281034 + ... + 52528281037.

It is an arithmetic number, because the mean of its divisors is an integer number (78792421554).

Almost surely, 2^210113124142 is an apocalyptic number.

210113124142 is a deficient number, since it is larger than the sum of its proper divisors (105056562074).

210113124142 is a wasteful number, since it uses less digits than its factorization.

210113124142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105056562073.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 210113124142 its reverse (241421311012), we get a palindrome (451534435154).

The spelling of 210113124142 in words is "two hundred ten billion, one hundred thirteen million, one hundred twenty-four thousand, one hundred forty-two".