1121011032331 has 16 divisors (see below), whose sum is σ = 1221049303200. Its totient is φ = 1025097389568.

The previous prime is 1121011032329. The next prime is 1121011032343. The reversal of 1121011032331 is 1332301101211.

It is a cyclic number.

It is not a de Polignac number, because 1121011032331 - 2¹ = 1121011032329 is a prime.

It is a super-2 number, since 2×1121011032331² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1121011032299 and 1121011032308.

It is not an unprimeable number, because it can be changed into a prime (1121011032311) 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, 1658755 + ... + 2234611.

It is an arithmetic number, because the mean of its divisors is an integer number (76315581450).

Almost surely, 2^{1121011032331} is an apocalyptic number.

1121011032331 is a deficient number, since it is larger than the sum of its proper divisors (100038270869).

1121011032331 is a wasteful number, since it uses less digits than its factorization.

1121011032331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579438.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1121011032331 its reverse (1332301101211), we get a palindrome (2453312133542).

The spelling of 1121011032331 in words is "one trillion, one hundred twenty-one billion, eleven million, thirty-two thousand, three hundred thirty-one".