21042200140202 has 8 divisors (see below), whose sum is σ = 31618577445312. Its totient is φ = 10502674325100.

The previous prime is 21042200140187. The next prime is 21042200140223. The reversal of 21042200140202 is 20204100224012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9212871074 + ... + 9212873357.

It is an arithmetic number, because the mean of its divisors is an integer number (3952322180664).

Almost surely, 2^{21042200140202} is an apocalyptic number.

21042200140202 is a deficient number, since it is larger than the sum of its proper divisors (10576377305110).

21042200140202 is a wasteful number, since it uses less digits than its factorization.

21042200140202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425745004.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 21042200140202 its reverse (20204100224012), we get a palindrome (41246300364214).

The spelling of 21042200140202 in words is "twenty-one trillion, forty-two billion, two hundred million, one hundred forty thousand, two hundred two".