11221202011122 has 48 divisors (see below), whose sum is σ = 25234939810080. Its totient is φ = 3737156424192.

The previous prime is 11221202011109. The next prime is 11221202011157. The reversal of 11221202011122 is 22111020212211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11221202011095 and 11221202011104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9452172 + ... + 10572887.

It is an arithmetic number, because the mean of its divisors is an integer number (525727912710).

Almost surely, 2^{11221202011122} is an apocalyptic number.

11221202011122 is an abundant number, since it is smaller than the sum of its proper divisors (14013737798958).

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

11221202011122 is a wasteful number, since it uses less digits than its factorization.

11221202011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20026229 (or 20026217 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11221202011122 its reverse (22111020212211), we get a palindrome (33332222223333).

The spelling of 11221202011122 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, eleven thousand, one hundred twenty-two".