211244342142 has 32 divisors (see below), whose sum is σ = 423298842912. Its totient is φ = 70279824384.

The previous prime is 211244342119. The next prime is 211244342147. The reversal of 211244342142 is 241243442112.

211244342142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211244342147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17234088 + ... + 17246340.

It is an arithmetic number, because the mean of its divisors is an integer number (13228088841).

Almost surely, 2^211244342142 is an apocalyptic number.

211244342142 is an abundant number, since it is smaller than the sum of its proper divisors (212054500770).

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

211244342142 is a wasteful number, since it uses less digits than its factorization.

211244342142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17532.

The product of its digits is 12288, while the sum is 30.

Adding to 211244342142 its reverse (241243442112), we get a palindrome (452487784254).

The spelling of 211244342142 in words is "two hundred eleven billion, two hundred forty-four million, three hundred forty-two thousand, one hundred forty-two".