1103400321402 has 16 divisors (see below), whose sum is σ = 2206812133152.
Its totient is φ = 367798192080.
The previous prime is 1103400321379. The next prime is 1103400321407. The reversal of 1103400321402 is 2041230043011.
It is not an unprimeable number, because it can be changed into a prime (1103400321407) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1249528 + ... + 1941164.
It is an arithmetic number, because the mean of its divisors is an integer number (137925758322).
Almost surely, 21103400321402 is an apocalyptic number.
1103400321402 is an abundant number, since it is smaller than the sum of its proper divisors (1103411811750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1103400321402 is a wasteful number, since it uses less digits than its factorization.
1103400321402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 957533.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 1103400321402 its reverse (2041230043011), we get a palindrome (3144630364413).
The spelling of 1103400321402 in words is "one trillion, one hundred three billion, four hundred million, three hundred twenty-one thousand, four hundred two".