1101120203011 has 16 divisors (see below), whose sum is σ = 1127393834400. Its totient is φ = 1075054908928.

The previous prime is 1101120203003. The next prime is 1101120203059. The reversal of 1101120203011 is 1103020211011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101120203011 - 2³ = 1101120203003 is a prime.

It is a super-2 number, since 2×1101120203011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1101120202982 and 1101120203000.

It is not an unprimeable number, because it can be changed into a prime (1101120203111) 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 15 ways as a sum of consecutive naturals, for example, 25592505 + ... + 25635493.

It is an arithmetic number, because the mean of its divisors is an integer number (70462114650).

Almost surely, 2^{1101120203011} is an apocalyptic number.

1101120203011 is a deficient number, since it is larger than the sum of its proper divisors (26273631389).

1101120203011 is a wasteful number, since it uses less digits than its factorization.

1101120203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45398.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1101120203011 its reverse (1103020211011), we get a palindrome (2204140414022).

The spelling of 1101120203011 in words is "one trillion, one hundred one billion, one hundred twenty million, two hundred three thousand, eleven".