21142313244098 has 4 divisors (see below), whose sum is σ = 31713469866150. Its totient is φ = 10571156622048.

The previous prime is 21142313244071. The next prime is 21142313244163. The reversal of 21142313244098 is 89044231324112.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 20979853462129 + 162459781969 = 4580377^2 + 403063^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5285578311023 + ... + 5285578311026.

Almost surely, 2^{21142313244098} is an apocalyptic number.

21142313244098 is a deficient number, since it is larger than the sum of its proper divisors (10571156622052).

21142313244098 is a wasteful number, since it uses less digits than its factorization.

21142313244098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571156622051.

The product of its (nonzero) digits is 331776, while the sum is 44.

The spelling of 21142313244098 in words is "twenty-one trillion, one hundred forty-two billion, three hundred thirteen million, two hundred forty-four thousand, ninety-eight".