1100000022122 has 4 divisors (see below), whose sum is σ = 1650000033186. Its totient is φ = 550000011060.

The previous prime is 1100000022113. The next prime is 1100000022131. The reversal of 1100000022122 is 2212200000011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1100000022113) and next prime (1100000022131).

It can be written as a sum of positive squares in only one way, i.e., 686526587761 + 413473434361 = 828569^2 + 643019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275000005529 + ... + 275000005532.

Almost surely, 2^{1100000022122} is an apocalyptic number.

1100000022122 is a deficient number, since it is larger than the sum of its proper divisors (550000011064).

1100000022122 is an equidigital number, since it uses as much as digits as its factorization.

1100000022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550000011063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1100000022122 its reverse (2212200000011), we get a palindrome (3312200022133).

The spelling of 1100000022122 in words is "one trillion, one hundred billion, twenty-two thousand, one hundred twenty-two".