1121001121303 has 32 divisors (see below), whose sum is σ = 1300101073920. Its totient is φ = 946743033600.

The previous prime is 1121001121297. The next prime is 1121001121423. The reversal of 1121001121303 is 3031211001211.

It is a happy number.

It is not a de Polignac number, because 1121001121303 - 2²⁵ = 1120967566871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121001121003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145826926 + ... + 145834612.

It is an arithmetic number, because the mean of its divisors is an integer number (40628158560).

Almost surely, 2^{1121001121303} is an apocalyptic number.

1121001121303 is a deficient number, since it is larger than the sum of its proper divisors (179099952617).

1121001121303 is a wasteful number, since it uses less digits than its factorization.

1121001121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1121001121303 its reverse (3031211001211), we get a palindrome (4152212122514).

The spelling of 1121001121303 in words is "one trillion, one hundred twenty-one billion, one million, one hundred twenty-one thousand, three hundred three".