1113233202121 has 8 divisors (see below), whose sum is σ = 1113569537960. Its totient is φ = 1112896931328.

The previous prime is 1113233202083. The next prime is 1113233202139. The reversal of 1113233202121 is 1212023323111.

It can be written as a sum of positive squares in 4 ways, for example, as 766325160000 + 346908042121 = 875400^2 + 588989^2 .

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 1113233202121 - 2¹¹ = 1113233200073 is a prime.

It is a super-3 number, since 3×1113233202121³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113233202092 and 1113233202101.

It is not an unprimeable number, because it can be changed into a prime (1113233202821) 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, 72805045 + ... + 72820333.

It is an arithmetic number, because the mean of its divisors is an integer number (139196192245).

Almost surely, 2^{1113233202121} is an apocalyptic number.

It is an amenable number.

1113233202121 is a deficient number, since it is larger than the sum of its proper divisors (336335839).

1113233202121 is an equidigital number, since it uses as much as digits as its factorization.

1113233202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32523.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1113233202121 its reverse (1212023323111), we get a palindrome (2325256525232).

The spelling of 1113233202121 in words is "one trillion, one hundred thirteen billion, two hundred thirty-three million, two hundred two thousand, one hundred twenty-one".