2120153242333 has 6 divisors (see below), whose sum is σ = 2466300710526. Its totient is φ = 1817274207672.

The previous prime is 2120153242313. The next prime is 2120153242367. The reversal of 2120153242333 is 3332423510212.

It can be written as a sum of positive squares in only one way, i.e., 1527048404644 + 593104837689 = 1235738^2 + 770133^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2120153242333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120153242295 and 2120153242304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120153242313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21634216710 + ... + 21634216807.

It is an arithmetic number, because the mean of its divisors is an integer number (411050118421).

Almost surely, 2^{2120153242333} is an apocalyptic number.

It is an amenable number.

2120153242333 is a deficient number, since it is larger than the sum of its proper divisors (346147468193).

2120153242333 is an equidigital number, since it uses as much as digits as its factorization.

2120153242333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43268433531 (or 43268433524 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 2120153242333 its reverse (3332423510212), we get a palindrome (5452576752545).

The spelling of 2120153242333 in words is "two trillion, one hundred twenty billion, one hundred fifty-three million, two hundred forty-two thousand, three hundred thirty-three".