2104120034021 has 8 divisors (see below), whose sum is σ = 2153085928224. Its totient is φ = 2055155634000.

The previous prime is 2104120033979. The next prime is 2104120034033. The reversal of 2104120034021 is 1204300214012.

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 2104120034021 - 2¹⁰ = 2104120032997 is a prime.

It is a super-2 number, since 2×2104120034021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2104120033984 and 2104120034002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104120034521) 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, 2782271 + ... + 3456771.

It is an arithmetic number, because the mean of its divisors is an integer number (269135741028).

Almost surely, 2^{2104120034021} is an apocalyptic number.

It is an amenable number.

2104120034021 is a deficient number, since it is larger than the sum of its proper divisors (48965894203).

2104120034021 is an equidigital number, since it uses as much as digits as its factorization.

2104120034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747091.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2104120034021 its reverse (1204300214012), we get a palindrome (3308420248033).

The spelling of 2104120034021 in words is "two trillion, one hundred four billion, one hundred twenty million, thirty-four thousand, twenty-one".