11101121221002 has 32 divisors (see below), whose sum is σ = 22330986297984. Its totient is φ = 3678927566400.

The previous prime is 11101121220991. The next prime is 11101121221037. The reversal of 11101121221002 is 20012212110111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603227 + ... + 5383217.

It is an arithmetic number, because the mean of its divisors is an integer number (697843321812).

Almost surely, 2^{11101121221002} is an apocalyptic number.

11101121221002 is an abundant number, since it is smaller than the sum of its proper divisors (11229865076982).

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

11101121221002 is a wasteful number, since it uses less digits than its factorization.

11101121221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783854.

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

Adding to 11101121221002 its reverse (20012212110111), we get a palindrome (31113333331113).

The spelling of 11101121221002 in words is "eleven trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, two".