21341004354121 has 8 divisors (see below), whose sum is σ = 22537173798720. Its totient is φ = 20167193217072.

The previous prime is 21341004354107. The next prime is 21341004354133. The reversal of 21341004354121 is 12145340014312.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 21341004354121 - 2⁷ = 21341004353993 is a prime.

It is a super-2 number, since 2×21341004354121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21341004354181) 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, 5589574926 + ... + 5589578743.

It is an arithmetic number, because the mean of its divisors is an integer number (2817146724840).

Almost surely, 2^{21341004354121} is an apocalyptic number.

It is an amenable number.

21341004354121 is a deficient number, since it is larger than the sum of its proper divisors (1196169444599).

21341004354121 is a wasteful number, since it uses less digits than its factorization.

21341004354121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179153775.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 21341004354121 its reverse (12145340014312), we get a palindrome (33486344368433).

The spelling of 21341004354121 in words is "twenty-one trillion, three hundred forty-one billion, four million, three hundred fifty-four thousand, one hundred twenty-one".