21313002123098 has 12 divisors (see below), whose sum is σ = 37189013908842. Its totient is φ = 9134143767000.

The previous prime is 21313002123073. The next prime is 21313002123121. The reversal of 21313002123098 is 89032120031312.

It can be written as a sum of positive squares in only one way, i.e., 17698201127929 + 3614800995169 = 4206923^2 + 1901263^2 .

It is a super-3 number, since 3×21313002123098³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108739806653 + ... + 108739806848.

Almost surely, 2^{21313002123098} is an apocalyptic number.

21313002123098 is a deficient number, since it is larger than the sum of its proper divisors (15876011785744).

21313002123098 is a wasteful number, since it uses less digits than its factorization.

21313002123098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217479613517 (or 217479613510 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 21313002123098 in words is "twenty-one trillion, three hundred thirteen billion, two million, one hundred twenty-three thousand, ninety-eight".