1120202221221 has 12 divisors (see below), whose sum is σ = 1655699407648. Its totient is φ = 729434004264.

The previous prime is 1120202221207. The next prime is 1120202221249. The reversal of 1120202221221 is 1221222020211.

It is a happy number.

1120202221221 is a `hidden beast` number, since 1 + 1 + 20 + 202 + 221 + 221 = 666.

It is not a de Polignac number, because 1120202221221 - 2⁵ = 1120202221189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1120202221194 and 1120202221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120202222221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447289305 + ... + 1447290078.

Almost surely, 2^{1120202221221} is an apocalyptic number.

It is an amenable number.

1120202221221 is a deficient number, since it is larger than the sum of its proper divisors (535497186427).

1120202221221 is a wasteful number, since it uses less digits than its factorization.

1120202221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894579432 (or 2894579429 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1120202221221 its reverse (1221222020211), we get a palindrome (2341424241432).

The spelling of 1120202221221 in words is "one trillion, one hundred twenty billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-one".