11202121222122 has 16 divisors (see below), whose sum is σ = 22880928454272. Its totient is φ = 3654592739040.

The previous prime is 11202121222121. The next prime is 11202121222129. The reversal of 11202121222122 is 22122212120211.

It is not an unprimeable number, because it can be changed into a prime (11202121222121) 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, 19861916779 + ... + 19861917342.

It is an arithmetic number, because the mean of its divisors is an integer number (1430058028392).

Almost surely, 2^{11202121222122} is an apocalyptic number.

11202121222122 is an abundant number, since it is smaller than the sum of its proper divisors (11678807232150).

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

11202121222122 is a wasteful number, since it uses less digits than its factorization.

11202121222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39723834173.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11202121222122 its reverse (22122212120211), we get a palindrome (33324333342333).

The spelling of 11202121222122 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred twenty-two".