11202121112122 has 4 divisors (see below), whose sum is σ = 16803181668186. Its totient is φ = 5601060556060.

The previous prime is 11202121112107. The next prime is 11202121112131. The reversal of 11202121112122 is 22121112120211.

It is a happy number.

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., 10679752104121 + 522369008001 = 3267989^2 + 722751^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11202121112122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2800530278029 + ... + 2800530278032.

Almost surely, 2^{11202121112122} is an apocalyptic number.

11202121112122 is a deficient number, since it is larger than the sum of its proper divisors (5601060556064).

11202121112122 is an equidigital number, since it uses as much as digits as its factorization.

11202121112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601060556063.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 11202121112122 its reverse (22121112120211), we get a palindrome (33323233232333).

The spelling of 11202121112122 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, one hundred twenty-two".