1121001122101 has 4 divisors (see below), whose sum is σ = 1281144139552. Its totient is φ = 960858104652.

The previous prime is 1121001122099. The next prime is 1121001122123. The reversal of 1121001122101 is 1012211001211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121001122101 - 2¹ = 1121001122099 is a prime.

It is a super-2 number, since 2×1121001122101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121001122201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80071508715 + ... + 80071508728.

It is an arithmetic number, because the mean of its divisors is an integer number (320286034888).

Almost surely, 2^{1121001122101} is an apocalyptic number.

It is an amenable number.

1121001122101 is a deficient number, since it is larger than the sum of its proper divisors (160143017451).

1121001122101 is an equidigital number, since it uses as much as digits as its factorization.

1121001122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160143017450.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121001122101 its reverse (1012211001211), we get a palindrome (2133212123312).

The spelling of 1121001122101 in words is "one trillion, one hundred twenty-one billion, one million, one hundred twenty-two thousand, one hundred one".