1120220221 has 8 divisors (see below), whose sum is σ = 1230448320. Its totient is φ = 1015119072.

The previous prime is 1120220203. The next prime is 1120220263. The reversal of 1120220221 is 1220220211.

It is a happy number.

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 1120220221 - 2²³ = 1111831613 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 (1120220201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1281280 + ... + 1282153.

It is an arithmetic number, because the mean of its divisors is an integer number (153806040).

Almost surely, 2^1120220221 is an apocalyptic number.

It is an amenable number.

1120220221 is a deficient number, since it is larger than the sum of its proper divisors (110228099).

1120220221 is a wasteful number, since it uses less digits than its factorization.

1120220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563475.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1120220221 is about 33469.6910801400. The cubic root of 1120220221 is about 1038.5668811622.

Adding to 1120220221 its reverse (1220220211), we get a palindrome (2340440432).

The spelling of 1120220221 in words is "one billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-one".