1121000120101 has 4 divisors (see below), whose sum is σ = 1121454520672. Its totient is φ = 1120545719532.

The previous prime is 1121000120087. The next prime is 1121000120291. The reversal of 1121000120101 is 1010210001211.

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 1121000120101 - 2¹¹ = 1121000118053 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 (1121400120101) 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, 227196585 + ... + 227201518.

It is an arithmetic number, because the mean of its divisors is an integer number (280363630168).

Almost surely, 2^{1121000120101} is an apocalyptic number.

It is an amenable number.

1121000120101 is a deficient number, since it is larger than the sum of its proper divisors (454400571).

1121000120101 is an equidigital number, since it uses as much as digits as its factorization.

1121000120101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454400570.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1121000120101 its reverse (1010210001211), we get a palindrome (2131210121312).

The spelling of 1121000120101 in words is "one trillion, one hundred twenty-one billion, one hundred twenty thousand, one hundred one".