21113202361235 has 4 divisors (see below), whose sum is σ = 25335842833488. Its totient is φ = 16890561888984.

The previous prime is 21113202361201. The next prime is 21113202361253. The reversal of 21113202361235 is 53216320231112.

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 21113202361235 - 2¹⁶ = 21113202295699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111320236119 + ... + 2111320236128.

It is an arithmetic number, because the mean of its divisors is an integer number (6333960708372).

Almost surely, 2^{21113202361235} is an apocalyptic number.

21113202361235 is a deficient number, since it is larger than the sum of its proper divisors (4222640472253).

21113202361235 is an equidigital number, since it uses as much as digits as its factorization.

21113202361235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222640472252.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 21113202361235 its reverse (53216320231112), we get a palindrome (74329522592347).

The spelling of 21113202361235 in words is "twenty-one trillion, one hundred thirteen billion, two hundred two million, three hundred sixty-one thousand, two hundred thirty-five".