11020012201 has 6 divisors (see below), whose sum is σ = 12112906106. Its totient is φ = 10018192800.

The previous prime is 11020012147. The next prime is 11020012207. The reversal of 11020012201 is 10221002011.

It can be written as a sum of positive squares in only one way, i.e., 7005522601 + 4014489600 = 83699^2 + 63360^2 .

It is not a de Polignac number, because 11020012201 - 2¹¹ = 11020010153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020012207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45537120 + ... + 45537361.

Almost surely, 2^11020012201 is an apocalyptic number.

11020012201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11020012201 is a deficient number, since it is larger than the sum of its proper divisors (1092893905).

11020012201 is an equidigital number, since it uses as much as digits as its factorization.

11020012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91074503 (or 91074492 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11020012201 its reverse (10221002011), we get a palindrome (21241014212).

The spelling of 11020012201 in words is "eleven billion, twenty million, twelve thousand, two hundred one".