11111201220102 has 8 divisors (see below), whose sum is σ = 22222402440216. Its totient is φ = 3703733740032.

The previous prime is 11111201220061. The next prime is 11111201220109. The reversal of 11111201220102 is 20102210211111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11111201220102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111201220109) 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 3 ways as a sum of consecutive naturals, for example, 925933435003 + ... + 925933435014.

It is an arithmetic number, because the mean of its divisors is an integer number (2777800305027).

Almost surely, 2^{11111201220102} is an apocalyptic number.

11111201220102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111201220102 is a wasteful number, since it uses less digits than its factorization.

11111201220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851866870022.

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

Adding to 11111201220102 its reverse (20102210211111), we get a palindrome (31213411431213).

The spelling of 11111201220102 in words is "eleven trillion, one hundred eleven billion, two hundred one million, two hundred twenty thousand, one hundred two".