1100420223635 has 4 divisors (see below), whose sum is σ = 1320504268368. Its totient is φ = 880336178904.

The previous prime is 1100420223583. The next prime is 1100420223697. The reversal of 1100420223635 is 5363220240011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1100420223635 - 2²⁶ = 1100353114771 is a prime.

It is a super-2 number, since 2×1100420223635² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100420223598 and 1100420223607.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110042022359 + ... + 110042022368.

It is an arithmetic number, because the mean of its divisors is an integer number (330126067092).

Almost surely, 2^{1100420223635} is an apocalyptic number.

1100420223635 is a deficient number, since it is larger than the sum of its proper divisors (220084044733).

1100420223635 is an equidigital number, since it uses as much as digits as its factorization.

1100420223635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220084044732.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1100420223635 its reverse (5363220240011), we get a palindrome (6463640463646).

The spelling of 1100420223635 in words is "one trillion, one hundred billion, four hundred twenty million, two hundred twenty-three thousand, six hundred thirty-five".