1121011134431 has 8 divisors (see below), whose sum is σ = 1127585308464. Its totient is φ = 1114438045120.

The previous prime is 1121011134401. The next prime is 1121011134479. The reversal of 1121011134431 is 1344311101211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121011134431 is a prime.

It is a super-2 number, since 2×1121011134431² (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 = 1121011134397 and 1121011134406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121011134401) 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, 1850291 + ... + 2380251.

It is an arithmetic number, because the mean of its divisors is an integer number (140948163558).

Almost surely, 2^{1121011134431} is an apocalyptic number.

1121011134431 is a deficient number, since it is larger than the sum of its proper divisors (6574174033).

1121011134431 is a wasteful number, since it uses less digits than its factorization.

1121011134431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542361.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1121011134431 its reverse (1344311101211), we get a palindrome (2465322235642).

The spelling of 1121011134431 in words is "one trillion, one hundred twenty-one billion, eleven million, one hundred thirty-four thousand, four hundred thirty-one".