1113020201 has 2 divisors, whose sum is σ = 1113020202. Its totient is φ = 1113020200.

The previous prime is 1113020189. The next prime is 1113020219. The reversal of 1113020201 is 1020203111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941016976 + 172003225 = 30676^2 + 13115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113020201 - 2²² = 1108825897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113020401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556510100 + 556510101.

It is an arithmetic number, because the mean of its divisors is an integer number (556510101).

Almost surely, 2^1113020201 is an apocalyptic number.

It is an amenable number.

1113020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113020201 is an equidigital number, since it uses as much as digits as its factorization.

1113020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1113020201 is about 33361.9573916160. The cubic root of 1113020201 is about 1036.3370278503.

Adding to 1113020201 its reverse (1020203111), we get a palindrome (2133223312).

The spelling of 1113020201 in words is "one billion, one hundred thirteen million, twenty thousand, two hundred one".