1131100111121 has 8 divisors (see below), whose sum is σ = 1157419347744. Its totient is φ = 1104781537440.

The previous prime is 1131100111111. The next prime is 1131100111139. The reversal of 1131100111121 is 1211110011311.

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 1131100111121 - 2¹⁴ = 1131100094737 is a prime.

It is a super-2 number, since 2×1131100111121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131100111096 and 1131100111105.

It is not an unprimeable number, because it can be changed into a prime (1131100111111) 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, 5563541 + ... + 5763261.

It is an arithmetic number, because the mean of its divisors is an integer number (144677418468).

Almost surely, 2^{1131100111121} is an apocalyptic number.

It is an amenable number.

1131100111121 is a deficient number, since it is larger than the sum of its proper divisors (26319236623).

1131100111121 is a wasteful number, since it uses less digits than its factorization.

1131100111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331471.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 1131100111121 its reverse (1211110011311), we get a palindrome (2342210122432).

The spelling of 1131100111121 in words is "one trillion, one hundred thirty-one billion, one hundred million, one hundred eleven thousand, one hundred twenty-one".