21214051126001 has 16 divisors (see below), whose sum is σ = 23198935288320. Its totient is φ = 19311745731840.

The previous prime is 21214051125983. The next prime is 21214051126139. The reversal of 21214051126001 is 10062115041212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21214051126001 - 2⁶ = 21214051125937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21214051126601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9796586 + ... + 11764403.

It is an arithmetic number, because the mean of its divisors is an integer number (1449933455520).

Almost surely, 2^{21214051126001} is an apocalyptic number.

It is an amenable number.

21214051126001 is a deficient number, since it is larger than the sum of its proper divisors (1984884162319).

21214051126001 is a wasteful number, since it uses less digits than its factorization.

21214051126001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21562904.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 21214051126001 its reverse (10062115041212), we get a palindrome (31276166167213).

The spelling of 21214051126001 in words is "twenty-one trillion, two hundred fourteen billion, fifty-one million, one hundred twenty-six thousand, one".