11221220100122 has 8 divisors (see below), whose sum is σ = 16832334544596. Its totient is φ = 5610441918592.

The previous prime is 11221220100113. The next prime is 11221220100137. The reversal of 11221220100122 is 22100102212211.

It can be written as a sum of positive squares in 2 ways, for example, as 10941071137441 + 280148962681 = 3307729^2 + 529291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11221220100122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83982293 + ... + 84115800.

Almost surely, 2^{11221220100122} is an apocalyptic number.

11221220100122 is a deficient number, since it is larger than the sum of its proper divisors (5611114444474).

11221220100122 is a wasteful number, since it uses less digits than its factorization.

11221220100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168131472.

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

Adding to 11221220100122 its reverse (22100102212211), we get a palindrome (33321322312333).

The spelling of 11221220100122 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, one hundred thousand, one hundred twenty-two".