2121613232363 has 4 divisors (see below), whose sum is σ = 2213857285968. Its totient is φ = 2029369178760.

The previous prime is 2121613232287. The next prime is 2121613232369. The reversal of 2121613232363 is 3632323161212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2121613232363 - 2⁸ = 2121613232107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121613232369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46122026768 + ... + 46122026813.

It is an arithmetic number, because the mean of its divisors is an integer number (553464321492).

Almost surely, 2^{2121613232363} is an apocalyptic number.

2121613232363 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2121613232363 is a deficient number, since it is larger than the sum of its proper divisors (92244053605).

2121613232363 is an equidigital number, since it uses as much as digits as its factorization.

2121613232363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92244053604.

The product of its digits is 46656, while the sum is 35.

Adding to 2121613232363 its reverse (3632323161212), we get a palindrome (5753936393575).

The spelling of 2121613232363 in words is "two trillion, one hundred twenty-one billion, six hundred thirteen million, two hundred thirty-two thousand, three hundred sixty-three".