1100002220122 has 16 divisors (see below), whose sum is σ = 1820266339752. Its totient is φ = 495310567680.

The previous prime is 1100002220117. The next prime is 1100002220137. The reversal of 1100002220122 is 2210222000011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 163750524921 + 936251695201 = 404661^2 + 967601^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 515947443 + ... + 515949574.

Almost surely, 2^{1100002220122} is an apocalyptic number.

1100002220122 is a deficient number, since it is larger than the sum of its proper divisors (720264119630).

1100002220122 is a wasteful number, since it uses less digits than its factorization.

1100002220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031897073.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1100002220122 its reverse (2210222000011), we get a palindrome (3310224220133).

The spelling of 1100002220122 in words is "one trillion, one hundred billion, two million, two hundred twenty thousand, one hundred twenty-two".