21014114210051 has 4 divisors (see below), whose sum is σ = 21370285637400. Its totient is φ = 20657942782704.

The previous prime is 21014114210017. The next prime is 21014114210059. The reversal of 21014114210051 is 15001241141012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 21014114210051 - 2¹⁸ = 21014113947907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21014114209999 and 21014114210026.

It is not an unprimeable number, because it can be changed into a prime (21014114210059) 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, 178085713586 + ... + 178085713703.

It is an arithmetic number, because the mean of its divisors is an integer number (5342571409350).

Almost surely, 2^{21014114210051} is an apocalyptic number.

21014114210051 is a deficient number, since it is larger than the sum of its proper divisors (356171427349).

21014114210051 is an equidigital number, since it uses as much as digits as its factorization.

21014114210051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356171427348.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 21014114210051 its reverse (15001241141012), we get a palindrome (36015355351063).

The spelling of 21014114210051 in words is "twenty-one trillion, fourteen billion, one hundred fourteen million, two hundred ten thousand, fifty-one".