21121431304314 has 64 divisors (see below), whose sum is σ = 46327935126528. Its totient is φ = 6366440678400.

The previous prime is 21121431304289. The next prime is 21121431304349. The reversal of 21121431304314 is 41340313412112.

It is a super-2 number, since 2×21121431304314² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101328579 + ... + 101536809.

It is an arithmetic number, because the mean of its divisors is an integer number (723873986352).

Almost surely, 2^{21121431304314} is an apocalyptic number.

21121431304314 is an abundant number, since it is smaller than the sum of its proper divisors (25206503822214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21121431304314 is a wasteful number, since it uses less digits than its factorization.

21121431304314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216403.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 21121431304314 its reverse (41340313412112), we get a palindrome (62461744716426).

The spelling of 21121431304314 in words is "twenty-one trillion, one hundred twenty-one billion, four hundred thirty-one million, three hundred four thousand, three hundred fourteen".