1121021121101 has 8 divisors (see below), whose sum is σ = 1281851760384. Its totient is φ = 960361673040.

The previous prime is 1121021120927. The next prime is 1121021121127. The reversal of 1121021121101 is 1011211201211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1121021121101 - 2¹⁸ = 1121020858957 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 (1121021121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42783770 + ... + 42809963.

It is an arithmetic number, because the mean of its divisors is an integer number (160231470048).

Almost surely, 2^{1121021121101} is an apocalyptic number.

It is an amenable number.

1121021121101 is a deficient number, since it is larger than the sum of its proper divisors (160830639283).

1121021121101 is an equidigital number, since it uses as much as digits as its factorization.

1121021121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85595611.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121021121101 its reverse (1011211201211), we get a palindrome (2132232322312).

The spelling of 1121021121101 in words is "one trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty-one thousand, one hundred one".