21400214200054 has 16 divisors (see below), whose sum is σ = 32371468448256. Its totient is φ = 10610098972200.

The previous prime is 21400214200007. The next prime is 21400214200061. The reversal of 21400214200054 is 45000241200412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93449122 + ... + 93677845.

It is an arithmetic number, because the mean of its divisors is an integer number (2023216778016).

Almost surely, 2^{21400214200054} is an apocalyptic number.

21400214200054 is a deficient number, since it is larger than the sum of its proper divisors (10971254248202).

21400214200054 is a wasteful number, since it uses less digits than its factorization.

21400214200054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187127451.

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 21400214200054 its reverse (45000241200412), we get a palindrome (66400455400466).

The spelling of 21400214200054 in words is "twenty-one trillion, four hundred billion, two hundred fourteen million, two hundred thousand, fifty-four".