1102400421023 has 16 divisors (see below), whose sum is σ = 1212072394752. Its totient is φ = 994331484000.

The previous prime is 1102400421019. The next prime is 1102400421049. The reversal of 1102400421023 is 3201240042011.

It is not a de Polignac number, because 1102400421023 - 2² = 1102400421019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1102400420986 and 1102400421004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102400421053) 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, 119693 + ... + 1489673.

It is an arithmetic number, because the mean of its divisors is an integer number (75754524672).

Almost surely, 2^{1102400421023} is an apocalyptic number.

1102400421023 is a deficient number, since it is larger than the sum of its proper divisors (109671973729).

1102400421023 is a wasteful number, since it uses less digits than its factorization.

1102400421023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370566.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1102400421023 its reverse (3201240042011), we get a palindrome (4303640463034).

The spelling of 1102400421023 in words is "one trillion, one hundred two billion, four hundred million, four hundred twenty-one thousand, twenty-three".