220011100012201 has 4 divisors (see below), whose sum is σ = 220011263900100. Its totient is φ = 220010936124304.

The previous prime is 220011100012183. The next prime is 220011100012237. The reversal of 220011100012201 is 102210001110022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77373486288400 + 142637613723801 = 8796220^2 + 11943099^2 .

It is a cyclic number.

It is not a de Polignac number, because 220011100012201 - 2¹³ = 220011100004009 is a prime.

It is a super-3 number, since 3×220011100012201³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220011100012261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79913506 + ... + 82620763.

It is an arithmetic number, because the mean of its divisors is an integer number (55002815975025).

Almost surely, 2^{220011100012201} is an apocalyptic number.

It is an amenable number.

220011100012201 is a deficient number, since it is larger than the sum of its proper divisors (163887899).

220011100012201 is a wasteful number, since it uses less digits than its factorization.

220011100012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163887898.

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

Adding to 220011100012201 its reverse (102210001110022), we get a palindrome (322221101122223).

The spelling of 220011100012201 in words is "two hundred twenty trillion, eleven billion, one hundred million, twelve thousand, two hundred one".