1100202112122 has 32 divisors (see below), whose sum is σ = 2227129756992. Its totient is φ = 362280633984.

The previous prime is 1100202112091. The next prime is 1100202112127. The reversal of 1100202112122 is 2212112020011.

It is not an unprimeable number, because it can be changed into a prime (1100202112127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5345628 + ... + 5547624.

It is an arithmetic number, because the mean of its divisors is an integer number (69597804906).

Almost surely, 2^{1100202112122} is an apocalyptic number.

1100202112122 is an abundant number, since it is smaller than the sum of its proper divisors (1126927644870).

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

1100202112122 is a wasteful number, since it uses less digits than its factorization.

1100202112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1100202112122 its reverse (2212112020011), we get a palindrome (3312314132133).

The spelling of 1100202112122 in words is "one trillion, one hundred billion, two hundred two million, one hundred twelve thousand, one hundred twenty-two".