11221020120122 has 16 divisors (see below), whose sum is σ = 17822916392040. Its totient is φ = 5280095996928.

The previous prime is 11221020120029. The next prime is 11221020120157. The reversal of 11221020120122 is 22102102012211.

It can be written as a sum of positive squares in 4 ways, for example, as 5122486150681 + 6098533969441 = 2263291^2 + 2469521^2 .

It is a super-2 number, since 2×11221020120122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 11221020120122.

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, 11527247 + ... + 12462722.

Almost surely, 2^{11221020120122} is an apocalyptic number.

11221020120122 is a deficient number, since it is larger than the sum of its proper divisors (6601896271918).

11221020120122 is a wasteful number, since it uses less digits than its factorization.

11221020120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24003745.

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

Adding to 11221020120122 its reverse (22102102012211), we get a palindrome (33323122132333).

The spelling of 11221020120122 in words is "eleven trillion, two hundred twenty-one billion, twenty million, one hundred twenty thousand, one hundred twenty-two".