21400421113314 has 56 divisors (see below), whose sum is σ = 48132674622192. Its totient is φ = 7132918783320.

The previous prime is 21400421113223. The next prime is 21400421113321. The reversal of 21400421113314 is 41331112400412.

It is a happy number.

21400421113314 is a `hidden beast` number, since 2 + 1 + 400 + 4 + 211 + 1 + 33 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 18393969 + ... + 19522779.

Almost surely, 2^{21400421113314} is an apocalyptic number.

21400421113314 is an abundant number, since it is smaller than the sum of its proper divisors (26732253508878).

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

21400421113314 is a wasteful number, since it uses less digits than its factorization.

21400421113314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141834 (or 1141819 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21400421113314 its reverse (41331112400412), we get a palindrome (62731533513726).

The spelling of 21400421113314 in words is "twenty-one trillion, four hundred billion, four hundred twenty-one million, one hundred thirteen thousand, three hundred fourteen".