1120001111021 has 12 divisors (see below), whose sum is σ = 1224116701632. Its totient is φ = 1024185039696.

The previous prime is 1120001110999. The next prime is 1120001111077. The reversal of 1120001111021 is 1201111000211.

It is not a de Polignac number, because 1120001111021 - 2⁶ = 1120001110957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120001110993 and 1120001111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120001111921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30950261 + ... + 30986426.

It is an arithmetic number, because the mean of its divisors is an integer number (102009725136).

Almost surely, 2^{1120001111021} is an apocalyptic number.

It is an amenable number.

1120001111021 is a deficient number, since it is larger than the sum of its proper divisors (104115590611).

1120001111021 is a wasteful number, since it uses less digits than its factorization.

1120001111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61936820 (or 61936807 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1120001111021 its reverse (1201111000211), we get a palindrome (2321112111232).

The spelling of 1120001111021 in words is "one trillion, one hundred twenty billion, one million, one hundred eleven thousand, twenty-one".