1120120202121 has 4 divisors (see below), whose sum is σ = 1493493602832. Its totient is φ = 746746801412.

The previous prime is 1120120202111. The next prime is 1120120202129. The reversal of 1120120202121 is 1212020210211.

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 1120120202121 - 2¹⁰ = 1120120201097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120120202121.

It is not an unprimeable number, because it can be changed into a prime (1120120202129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186686700351 + ... + 186686700356.

It is an arithmetic number, because the mean of its divisors is an integer number (373373400708).

Almost surely, 2^{1120120202121} is an apocalyptic number.

It is an amenable number.

1120120202121 is a deficient number, since it is larger than the sum of its proper divisors (373373400711).

1120120202121 is an equidigital number, since it uses as much as digits as its factorization.

1120120202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373373400710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120120202121 its reverse (1212020210211), we get a palindrome (2332140412332).

The spelling of 1120120202121 in words is "one trillion, one hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred twenty-one".