11221021200122 has 16 divisors (see below), whose sum is σ = 16883095497000. Its totient is φ = 5593339630080.

The previous prime is 11221021200107. The next prime is 11221021200131. The reversal of 11221021200122 is 22100212012211.

It can be written as a sum of positive squares in 4 ways, for example, as 10954041276721 + 266979923401 = 3309689^2 + 516701^2 .

It is a super-2 number, since 2×11221021200122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11221021200122.

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, 2905247 + ... + 5557202.

Almost surely, 2^{11221021200122} is an apocalyptic number.

11221021200122 is a deficient number, since it is larger than the sum of its proper divisors (5662074296878).

11221021200122 is a wasteful number, since it uses less digits than its factorization.

11221021200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464481.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11221021200122 its reverse (22100212012211), we get a palindrome (33321233212333).

The spelling of 11221021200122 in words is "eleven trillion, two hundred twenty-one billion, twenty-one million, two hundred thousand, one hundred twenty-two".