11221202200122 has 64 divisors (see below), whose sum is σ = 25139032934400. Its totient is φ = 3709975342320.

The previous prime is 11221202200073. The next prime is 11221202200123. The reversal of 11221202200122 is 22100220212211.

It is a happy number.

11221202200122 is a `hidden beast` number, since 112 + 212 + 0 + 220 + 0 + 122 = 666.

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 = 11221202200095 and 11221202200104.

It is not an unprimeable number, because it can be changed into a prime (11221202200123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13656879 + ... + 14455197.

It is an arithmetic number, because the mean of its divisors is an integer number (392797389600).

Almost surely, 2^{11221202200122} is an apocalyptic number.

11221202200122 is an abundant number, since it is smaller than the sum of its proper divisors (13917830734278).

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

11221202200122 is a wasteful number, since it uses less digits than its factorization.

11221202200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800448 (or 800442 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 11221202200122 its reverse (22100220212211), we get a palindrome (33321422412333).

The spelling of 11221202200122 in words is "eleven trillion, two hundred twenty-one billion, two hundred two million, two hundred thousand, one hundred twenty-two".