1120101221 has 8 divisors (see below), whose sum is σ = 1134406944. Its totient is φ = 1105882960.

The previous prime is 1120101217. The next prime is 1120101247. The reversal of 1120101221 is 1221010211.

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 1120101221 - 2² = 1120101217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120101121) 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, 4106 + ... + 47508.

It is an arithmetic number, because the mean of its divisors is an integer number (141800868).

Almost surely, 2^1120101221 is an apocalyptic number.

It is an amenable number.

1120101221 is a deficient number, since it is larger than the sum of its proper divisors (14305723).

1120101221 is a wasteful number, since it uses less digits than its factorization.

1120101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43731.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1120101221 is about 33467.9133051345. The cubic root of 1120101221 is about 1038.5301045138.

Adding to 1120101221 its reverse (1221010211), we get a palindrome (2341111432).

The spelling of 1120101221 in words is "one billion, one hundred twenty million, one hundred one thousand, two hundred twenty-one".