1113202232121 has 8 divisors (see below), whose sum is σ = 1696308163264. Its totient is φ = 636115561200.

The previous prime is 1113202232119. The next prime is 1113202232171. The reversal of 1113202232121 is 1212322023111.

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

It is not a de Polignac number, because 1113202232121 - 2¹ = 1113202232119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 53009630101 = 1113202232121 / (1 + 1 + 1 + 3 + 2 + 0 + 2 + 2 + 3 + 2 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113202232171) 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, 26504815030 + ... + 26504815071.

It is an arithmetic number, because the mean of its divisors is an integer number (212038520408).

Almost surely, 2^{1113202232121} is an apocalyptic number.

It is an amenable number.

1113202232121 is a deficient number, since it is larger than the sum of its proper divisors (583105931143).

1113202232121 is an equidigital number, since it uses as much as digits as its factorization.

1113202232121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53009630111.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1113202232121 its reverse (1212322023111), we get a palindrome (2325524255232).

The spelling of 1113202232121 in words is "one trillion, one hundred thirteen billion, two hundred two million, two hundred thirty-two thousand, one hundred twenty-one".