21121526616314 has 8 divisors (see below), whose sum is σ = 31800067954740. Its totient is φ = 10521503964736.

The previous prime is 21121526616313. The next prime is 21121526616467. The reversal of 21121526616314 is 41361662512112.

It can be written as a sum of positive squares in 2 ways, for example, as 20903686923025 + 217839693289 = 4572055^2 + 466733^2 .

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

It is a super-2 number, since 2×21121526616314² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21121526616313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19629671039 + ... + 19629672114.

Almost surely, 2^{21121526616314} is an apocalyptic number.

21121526616314 is a deficient number, since it is larger than the sum of its proper divisors (10678541338426).

21121526616314 is a wasteful number, since it uses less digits than its factorization.

21121526616314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39259343424.

The product of its digits is 103680, while the sum is 41.

The spelling of 21121526616314 in words is "twenty-one trillion, one hundred twenty-one billion, five hundred twenty-six million, six hundred sixteen thousand, three hundred fourteen".