11112220202122 has 16 divisors (see below), whose sum is σ = 17992158089472. Its totient is φ = 5116817435760.

The previous prime is 11112220202081. The next prime is 11112220202179. The reversal of 11112220202122 is 22120202221111.

It is a self number, because there is not a number n which added to its sum of digits gives 11112220202122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495804438 + ... + 495826849.

It is an arithmetic number, because the mean of its divisors is an integer number (1124509880592).

Almost surely, 2^{11112220202122} is an apocalyptic number.

11112220202122 is a deficient number, since it is larger than the sum of its proper divisors (6879937887350).

11112220202122 is a wasteful number, since it uses less digits than its factorization.

11112220202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991631733.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11112220202122 its reverse (22120202221111), we get a palindrome (33232422423233).

The spelling of 11112220202122 in words is "eleven trillion, one hundred twelve billion, two hundred twenty million, two hundred two thousand, one hundred twenty-two".