14221001211021 has 24 divisors (see below), whose sum is σ = 22408968909600. Its totient is φ = 8618743029600.

The previous prime is 14221001210981. The next prime is 14221001211023. The reversal of 14221001211021 is 12011210012241.

14221001211021 is a `hidden beast` number, since 1 + 422 + 10 + 0 + 1 + 211 + 0 + 21 = 666.

It is not a de Polignac number, because 14221001211021 - 2²⁷ = 14220866993293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14221001210985 and 14221001211003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14221001211023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34885030 + ... + 35290328.

It is an arithmetic number, because the mean of its divisors is an integer number (933707037900).

Almost surely, 2^{14221001211021} is an apocalyptic number.

14221001211021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14221001211021 is a deficient number, since it is larger than the sum of its proper divisors (8187967698579).

14221001211021 is a wasteful number, since it uses less digits than its factorization.

14221001211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759737 (or 759734 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 14221001211021 its reverse (12011210012241), we get a palindrome (26232211223262).

The spelling of 14221001211021 in words is "fourteen trillion, two hundred twenty-one billion, one million, two hundred eleven thousand, twenty-one".