1120122111021 has 32 divisors (see below), whose sum is σ = 1535405967360. Its totient is φ = 726086934144.

The previous prime is 1120122111001. The next prime is 1120122111029. The reversal of 1120122111021 is 1201112210211.

It is a happy number.

It is not a de Polignac number, because 1120122111021 - 2⁶ = 1120122110957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120122111029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73718601 + ... + 73733793.

It is an arithmetic number, because the mean of its divisors is an integer number (47981436480).

Almost surely, 2^{1120122111021} is an apocalyptic number.

It is an amenable number.

1120122111021 is a deficient number, since it is larger than the sum of its proper divisors (415283856339).

1120122111021 is a wasteful number, since it uses less digits than its factorization.

1120122111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1120122111021 its reverse (1201112210211), we get a palindrome (2321234321232).

The spelling of 1120122111021 in words is "one trillion, one hundred twenty billion, one hundred twenty-two million, one hundred eleven thousand, twenty-one".