1111013202121 has 8 divisors (see below), whose sum is σ = 1169635420800. Its totient is φ = 1052405767440.

The previous prime is 1111013202053. The next prime is 1111013202157. The reversal of 1111013202121 is 1212023101111.

It is a happy number.

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 1111013202121 - 2³³ = 1102423267529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111013202095 and 1111013202104.

It is not an unprimeable number, because it can be changed into a prime (1111013202161) 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, 3541570 + ... + 3842491.

It is an arithmetic number, because the mean of its divisors is an integer number (146204427600).

Almost surely, 2^{1111013202121} is an apocalyptic number.

It is an amenable number.

1111013202121 is a deficient number, since it is larger than the sum of its proper divisors (58622218679).

1111013202121 is an equidigital number, since it uses as much as digits as its factorization.

1111013202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7391999.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1111013202121 its reverse (1212023101111), we get a palindrome (2323036303232).

The spelling of 1111013202121 in words is "one trillion, one hundred eleven billion, thirteen million, two hundred two thousand, one hundred twenty-one".