1121200020101 has 16 divisors (see below), whose sum is σ = 1288092274560. Its totient is φ = 955997592000.

The previous prime is 1121200020067. The next prime is 1121200020113. The reversal of 1121200020101 is 1010200021211.

It is a cyclic number.

It is not a de Polignac number, because 1121200020101 - 2¹⁴ = 1121200003717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121200020131) 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, 999995 + ... + 1800663.

It is an arithmetic number, because the mean of its divisors is an integer number (80505767160).

Almost surely, 2^{1121200020101} is an apocalyptic number.

It is an amenable number.

1121200020101 is a deficient number, since it is larger than the sum of its proper divisors (166892254459).

1121200020101 is an equidigital number, since it uses as much as digits as its factorization.

1121200020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801724.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1121200020101 its reverse (1010200021211), we get a palindrome (2131400041312).

The spelling of 1121200020101 in words is "one trillion, one hundred twenty-one billion, two hundred million, twenty thousand, one hundred one".