21114011340412 has 6 divisors (see below), whose sum is σ = 36949519845728. Its totient is φ = 10557005670204.

The previous prime is 21114011340407. The next prime is 21114011340437. The reversal of 21114011340412 is 21404311041112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2639251417548 + ... + 2639251417555.

Almost surely, 2^{21114011340412} is an apocalyptic number.

It is an amenable number.

21114011340412 is a deficient number, since it is larger than the sum of its proper divisors (15835508505316).

21114011340412 is a wasteful number, since it uses less digits than its factorization.

21114011340412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278502835107 (or 5278502835105 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 21114011340412 its reverse (21404311041112), we get a palindrome (42518322381524).

The spelling of 21114011340412 in words is "twenty-one trillion, one hundred fourteen billion, eleven million, three hundred forty thousand, four hundred twelve".