11220220021102 has 4 divisors (see below), whose sum is σ = 16830330031656. Its totient is φ = 5610110010550.

The previous prime is 11220220021069. The next prime is 11220220021103. The reversal of 11220220021102 is 20112002202211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11220220021103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805055005274 + ... + 2805055005277.

It is an arithmetic number, because the mean of its divisors is an integer number (4207582507914).

Almost surely, 2^{11220220021102} is an apocalyptic number.

11220220021102 is a deficient number, since it is larger than the sum of its proper divisors (5610110010554).

11220220021102 is an equidigital number, since it uses as much as digits as its factorization.

11220220021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610110010553.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11220220021102 its reverse (20112002202211), we get a palindrome (31332222223313).

The spelling of 11220220021102 in words is "eleven trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred two".