21140214421301 has 16 divisors (see below), whose sum is σ = 22433339111040. Its totient is φ = 19865791584000.

The previous prime is 21140214421273. The next prime is 21140214421357. The reversal of 21140214421301 is 10312441204112.

It is a cyclic number.

It is not a de Polignac number, because 21140214421301 - 2¹⁸ = 21140214159157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140214421201) 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, 7914200 + ... + 10242801.

It is an arithmetic number, because the mean of its divisors is an integer number (1402083694440).

Almost surely, 2^{21140214421301} is an apocalyptic number.

It is an amenable number.

21140214421301 is a deficient number, since it is larger than the sum of its proper divisors (1293124689739).

21140214421301 is a wasteful number, since it uses less digits than its factorization.

21140214421301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157516.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 21140214421301 its reverse (10312441204112), we get a palindrome (31452655625413).

The spelling of 21140214421301 in words is "twenty-one trillion, one hundred forty billion, two hundred fourteen million, four hundred twenty-one thousand, three hundred one".