2104101011221 has 8 divisors (see below), whose sum is σ = 2307034613664. Its totient is φ = 1903109357520.

The previous prime is 2104101011209. The next prime is 2104101011227. The reversal of 2104101011221 is 1221101014012.

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 2104101011221 - 2³³ = 2095511076629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2104101011195 and 2104101011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104101011227) 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, 485484915 + ... + 485489248.

It is an arithmetic number, because the mean of its divisors is an integer number (288379326708).

Almost surely, 2^{2104101011221} is an apocalyptic number.

It is an amenable number.

2104101011221 is a deficient number, since it is larger than the sum of its proper divisors (202933602443).

2104101011221 is a wasteful number, since it uses less digits than its factorization.

2104101011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970974371.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2104101011221 its reverse (1221101014012), we get a palindrome (3325202025233).

The spelling of 2104101011221 in words is "two trillion, one hundred four billion, one hundred one million, eleven thousand, two hundred twenty-one".