11101220002122 has 16 divisors (see below), whose sum is σ = 22409939444832. Its totient is φ = 3665823427280.

The previous prime is 11101220002111. The next prime is 11101220002123. The reversal of 11101220002122 is 22120002210111.

It is not an unprimeable number, because it can be changed into a prime (11101220002123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8645809329 + ... + 8645810612.

It is an arithmetic number, because the mean of its divisors is an integer number (1400621215302).

Almost surely, 2^{11101220002122} is an apocalyptic number.

11101220002122 is an abundant number, since it is smaller than the sum of its proper divisors (11308719442710).

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

11101220002122 is a wasteful number, since it uses less digits than its factorization.

11101220002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17291620053.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11101220002122 its reverse (22120002210111), we get a palindrome (33221222212233).

The spelling of 11101220002122 in words is "eleven trillion, one hundred one billion, two hundred twenty million, two thousand, one hundred twenty-two".