11112201220101 has 32 divisors (see below), whose sum is σ = 14879145542016. Its totient is φ = 7376780160000.

The previous prime is 11112201220097. The next prime is 11112201220103. The reversal of 11112201220101 is 10102210221111.

It is a happy number.

It is not a de Polignac number, because 11112201220101 - 2² = 11112201220097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112201220103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1704060721 + ... + 1704067241.

It is an arithmetic number, because the mean of its divisors is an integer number (464973298188).

Almost surely, 2^{11112201220101} is an apocalyptic number.

It is an amenable number.

11112201220101 is a deficient number, since it is larger than the sum of its proper divisors (3766944321915).

11112201220101 is a wasteful number, since it uses less digits than its factorization.

11112201220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9413.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11112201220101 its reverse (10102210221111), we get a palindrome (21214411441212).

The spelling of 11112201220101 in words is "eleven trillion, one hundred twelve billion, two hundred one million, two hundred twenty thousand, one hundred one".