1121003133331 has 4 divisors (see below), whose sum is σ = 1121027745664. Its totient is φ = 1120978521000.

The previous prime is 1121003133319. The next prime is 1121003133353. The reversal of 1121003133331 is 1333313001211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121003133331 - 2¹⁵ = 1121003100563 is a prime.

It is a super-2 number, since 2×1121003133331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121003133031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12237720 + ... + 12328981.

It is an arithmetic number, because the mean of its divisors is an integer number (280256936416).

Almost surely, 2^{1121003133331} is an apocalyptic number.

1121003133331 is a deficient number, since it is larger than the sum of its proper divisors (24612333).

1121003133331 is an equidigital number, since it uses as much as digits as its factorization.

1121003133331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24612332.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1121003133331 its reverse (1333313001211), we get a palindrome (2454316134542).

The spelling of 1121003133331 in words is "one trillion, one hundred twenty-one billion, three million, one hundred thirty-three thousand, three hundred thirty-one".