1122010221 has 8 divisors (see below), whose sum is σ = 1500301600. Its totient is φ = 745862832.

The previous prime is 1122010157. The next prime is 1122010243. The reversal of 1122010221 is 1220102211.

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

It is not a de Polignac number, because 1122010221 - 2⁶ = 1122010157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122010197 and 1122010206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122010291) 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, 534775 + ... + 536868.

It is an arithmetic number, because the mean of its divisors is an integer number (187537700).

Almost surely, 2^1122010221 is an apocalyptic number.

It is an amenable number.

1122010221 is a deficient number, since it is larger than the sum of its proper divisors (378291379).

1122010221 is a wasteful number, since it uses less digits than its factorization.

1122010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071995.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122010221 is about 33496.4210177744. The cubic root of 1122010221 is about 1039.1197621572.

Adding to 1122010221 its reverse (1220102211), we get a palindrome (2342112432).

The spelling of 1122010221 in words is "one billion, one hundred twenty-two million, ten thousand, two hundred twenty-one".