1111432201121 has 8 divisors (see below), whose sum is σ = 1215965650464. Its totient is φ = 1007481111520.

The previous prime is 1111432201109. The next prime is 1111432201151. The reversal of 1111432201121 is 1211022341111.

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 1111432201121 - 2¹⁸ = 1111431938977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111432201093 and 1111432201102.

It is not an unprimeable number, because it can be changed into a prime (1111432201151) 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, 145585940 + ... + 145593573.

It is an arithmetic number, because the mean of its divisors is an integer number (151995706308).

Almost surely, 2^{1111432201121} is an apocalyptic number.

1111432201121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111432201121 is a deficient number, since it is larger than the sum of its proper divisors (104533449343).

1111432201121 is a wasteful number, since it uses less digits than its factorization.

1111432201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291179871.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 1111432201121 its reverse (1211022341111), we get a palindrome (2322454542232).

The spelling of 1111432201121 in words is "one trillion, one hundred eleven billion, four hundred thirty-two million, two hundred one thousand, one hundred twenty-one".