210144202311142 has 16 divisors (see below), whose sum is σ = 343873278310464. Its totient is φ = 95519828833000.

The previous prime is 210144202311053. The next prime is 210144202311143. The reversal of 210144202311142 is 241113202441012.

It is a self number, because there is not a number n which added to its sum of digits gives 210144202311142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210144202311143) 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, 4872484 + ... + 21072007.

It is an arithmetic number, because the mean of its divisors is an integer number (21492079894404).

Almost surely, 2^{210144202311142} is an apocalyptic number.

210144202311142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210144202311142 is a deficient number, since it is larger than the sum of its proper divisors (133729075999322).

210144202311142 is a wasteful number, since it uses less digits than its factorization.

210144202311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26312675.

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 210144202311142 its reverse (241113202441012), we get a palindrome (451257404752154).

The spelling of 210144202311142 in words is "two hundred ten trillion, one hundred forty-four billion, two hundred two million, three hundred eleven thousand, one hundred forty-two".