11101220002201 has 12 divisors (see below), whose sum is σ = 13046794647348. Its totient is φ = 9417235226112.

The previous prime is 11101220002177. The next prime is 11101220002207. The reversal of 11101220002201 is 10220002210111.

It can be written as a sum of positive squares in 2 ways, for example, as 6611275137600 + 4489944864601 = 2571240^2 + 2118949^2 .

It is not a de Polignac number, because 11101220002201 - 2¹⁷ = 11101219871129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101220002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1167807156 + ... + 1167816661.

It is an arithmetic number, because the mean of its divisors is an integer number (1087232887279).

Almost surely, 2^{11101220002201} is an apocalyptic number.

It is an amenable number.

11101220002201 is a deficient number, since it is larger than the sum of its proper divisors (1945574645147).

11101220002201 is an equidigital number, since it uses as much as digits as its factorization.

11101220002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335623928 (or 2335623921 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11101220002201 its reverse (10220002210111), we get a palindrome (21321222212312).

The spelling of 11101220002201 in words is "eleven trillion, one hundred one billion, two hundred twenty million, two thousand, two hundred one".