1122020201 has 8 divisors (see below), whose sum is σ = 1171252224. Its totient is φ = 1072825600.

The previous prime is 1122020197. The next prime is 1122020203. The reversal of 1122020201 is 1020202211.

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 1122020201 - 2² = 1122020197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122020203) 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, 64376 + ... + 79926.

It is an arithmetic number, because the mean of its divisors is an integer number (146406528).

Almost surely, 2^1122020201 is an apocalyptic number.

It is an amenable number.

1122020201 is a deficient number, since it is larger than the sum of its proper divisors (49232023).

1122020201 is a wasteful number, since it uses less digits than its factorization.

1122020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18711.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1122020201 is about 33496.5699885824. The cubic root of 1122020201 is about 1039.1228430515.

Adding to 1122020201 its reverse (1020202211), we get a palindrome (2142222412).

The spelling of 1122020201 in words is "one billion, one hundred twenty-two million, twenty thousand, two hundred one".