2120104213633 has 8 divisors (see below), whose sum is σ = 2528323037568. Its totient is φ = 1738222088064.

The previous prime is 2120104213627. The next prime is 2120104213697. The reversal of 2120104213633 is 3363124010212.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2120104213633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120104213603) 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, 6584174416 + ... + 6584174737.

It is an arithmetic number, because the mean of its divisors is an integer number (316040379696).

Almost surely, 2^{2120104213633} is an apocalyptic number.

2120104213633 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2120104213633 is a deficient number, since it is larger than the sum of its proper divisors (408218823935).

2120104213633 is a wasteful number, since it uses less digits than its factorization.

2120104213633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13168349183.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 2120104213633 its reverse (3363124010212), we get a palindrome (5483228223845).

The spelling of 2120104213633 in words is "two trillion, one hundred twenty billion, one hundred four million, two hundred thirteen thousand, six hundred thirty-three".