11220120102122 has 4 divisors (see below), whose sum is σ = 16830180153186. Its totient is φ = 5610060051060.

The previous prime is 11220120102109. The next prime is 11220120102173. The reversal of 11220120102122 is 22120102102211.

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

It can be written as a sum of positive squares in only one way, i.e., 7669914230521 + 3550205871601 = 2769461^2 + 1884199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11220120102122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2805030025529 + ... + 2805030025532.

Almost surely, 2^{11220120102122} is an apocalyptic number.

11220120102122 is a deficient number, since it is larger than the sum of its proper divisors (5610060051064).

11220120102122 is an equidigital number, since it uses as much as digits as its factorization.

11220120102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610060051063.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11220120102122 its reverse (22120102102211), we get a palindrome (33340222204333).

The spelling of 11220120102122 in words is "eleven trillion, two hundred twenty billion, one hundred twenty million, one hundred two thousand, one hundred twenty-two".