1120203101221 has 16 divisors (see below), whose sum is σ = 1182504960000. Its totient is φ = 1058237078976.

The previous prime is 1120203101197. The next prime is 1120203101279. The reversal of 1120203101221 is 1221013020211.

It is a cyclic number.

It is not a de Polignac number, because 1120203101221 - 2¹¹ = 1120203099173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120203101195 and 1120203101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120203105221) 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, 31238620 + ... + 31274458.

It is an arithmetic number, because the mean of its divisors is an integer number (73906560000).

Almost surely, 2^{1120203101221} is an apocalyptic number.

It is an amenable number.

1120203101221 is a deficient number, since it is larger than the sum of its proper divisors (62301858779).

1120203101221 is a wasteful number, since it uses less digits than its factorization.

1120203101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40476.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1120203101221 its reverse (1221013020211), we get a palindrome (2341216121432).

The spelling of 1120203101221 in words is "one trillion, one hundred twenty billion, two hundred three million, one hundred one thousand, two hundred twenty-one".