1120121001001 has 16 divisors (see below), whose sum is σ = 1184282910720. Its totient is φ = 1057277604240.

The previous prime is 1120121000989. The next prime is 1120121001059. The reversal of 1120121001001 is 1001001210211.

It is a cyclic number.

It is not a de Polignac number, because 1120121001001 - 2²³ = 1120112612393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120121001061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298296 + ... + 1981366.

It is an arithmetic number, because the mean of its divisors is an integer number (74017681920).

Almost surely, 2^{1120121001001} is an apocalyptic number.

It is an amenable number.

1120121001001 is a deficient number, since it is larger than the sum of its proper divisors (64161909719).

1120121001001 is an equidigital number, since it uses as much as digits as its factorization.

1120121001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684036.

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

Adding to 1120121001001 its reverse (1001001210211), we get a palindrome (2121122211212).

The spelling of 1120121001001 in words is "one trillion, one hundred twenty billion, one hundred twenty-one million, one thousand, one".