21412030340121 has 8 divisors (see below), whose sum is σ = 28554244885824. Its totient is φ = 14272251343920.

The previous prime is 21412030340119. The next prime is 21412030340147. The reversal of 21412030340121 is 12104303021412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21412030340121 - 2¹ = 21412030340119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21412030340091 and 21412030340100.

It is not an unprimeable number, because it can be changed into a prime (21412030340101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608866861 + ... + 608902026.

It is an arithmetic number, because the mean of its divisors is an integer number (3569280610728).

Almost surely, 2^{21412030340121} is an apocalyptic number.

It is an amenable number.

21412030340121 is a deficient number, since it is larger than the sum of its proper divisors (7142214545703).

21412030340121 is a wasteful number, since it uses less digits than its factorization.

21412030340121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217774751.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21412030340121 its reverse (12104303021412), we get a palindrome (33516333361533).

The spelling of 21412030340121 in words is "twenty-one trillion, four hundred twelve billion, thirty million, three hundred forty thousand, one hundred twenty-one".