1011121023303 has 16 divisors (see below), whose sum is σ = 1498666752000. Its totient is φ = 673761326040.

The previous prime is 1011121023287. The next prime is 1011121023313. The reversal of 1011121023303 is 3033201211101.

1011121023303 is a `hidden beast` number, since 10 + 111 + 210 + 2 + 330 + 3 = 666.

It is not a de Polignac number, because 1011121023303 - 2⁴ = 1011121023287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011121023313) 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, 8812953 + ... + 8926946.

It is an arithmetic number, because the mean of its divisors is an integer number (93666672000).

Almost surely, 2^{1011121023303} is an apocalyptic number.

1011121023303 is a deficient number, since it is larger than the sum of its proper divisors (487545728697).

1011121023303 is a wasteful number, since it uses less digits than its factorization.

1011121023303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17742019 (or 17742013 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011121023303 its reverse (3033201211101), we get a palindrome (4044322234404).

The spelling of 1011121023303 in words is "one trillion, eleven billion, one hundred twenty-one million, twenty-three thousand, three hundred three".