1113331202121 has 16 divisors (see below), whose sum is σ = 1654485998400. Its totient is φ = 661794398208.

The previous prime is 1113331202101. The next prime is 1113331202129. The reversal of 1113331202121 is 1212021333111.

It is not a de Polignac number, because 1113331202121 - 2⁵ = 1113331202089 is a prime.

It is a super-3 number, since 3×1113331202121³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1113331202129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 574473336 + ... + 574475273.

It is an arithmetic number, because the mean of its divisors is an integer number (103405374900).

Almost surely, 2^{1113331202121} is an apocalyptic number.

It is an amenable number.

1113331202121 is a deficient number, since it is larger than the sum of its proper divisors (541154796279).

1113331202121 is a wasteful number, since it uses less digits than its factorization.

1113331202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148948648.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 1113331202121 its reverse (1212021333111), we get a palindrome (2325352535232).

The spelling of 1113331202121 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, two hundred two thousand, one hundred twenty-one".