1120000121221 has 8 divisors (see below), whose sum is σ = 1146070300320. Its totient is φ = 1093931017872.

The previous prime is 1120000121171. The next prime is 1120000121243. The reversal of 1120000121221 is 1221210000211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1120000121221 - 2²⁹ = 1119463250309 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 (1120000101221) 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 7 ways as a sum of consecutive naturals, for example, 2071950 + ... + 2555968.

It is an arithmetic number, because the mean of its divisors is an integer number (143258787540).

Almost surely, 2^{1120000121221} is an apocalyptic number.

It is an amenable number.

1120000121221 is a deficient number, since it is larger than the sum of its proper divisors (26070179099).

1120000121221 is an equidigital number, since it uses as much as digits as its factorization.

1120000121221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537875.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1120000121221 its reverse (1221210000211), we get a palindrome (2341210121432).

The spelling of 1120000121221 in words is "one trillion, one hundred twenty billion, one hundred twenty-one thousand, two hundred twenty-one".