11220021102 has 16 divisors (see below), whose sum is σ = 22442095872. Its totient is φ = 3739664760.

The previous prime is 11220021079. The next prime is 11220021103. The reversal of 11220021102 is 20112002211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220021103) 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, 9318 + ... + 150089.

It is an arithmetic number, because the mean of its divisors is an integer number (1402630992).

Almost surely, 2^11220021102 is an apocalyptic number.

11220021102 is an abundant number, since it is smaller than the sum of its proper divisors (11222074770).

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

11220021102 is a wasteful number, since it uses less digits than its factorization.

11220021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171143.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11220021102 its reverse (20112002211), we get a palindrome (31332023313).

The spelling of 11220021102 in words is "eleven billion, two hundred twenty million, twenty-one thousand, one hundred two".