1103401221 has 8 divisors (see below), whose sum is σ = 1584371040. Its totient is φ = 679016112.

The previous prime is 1103401213. The next prime is 1103401249. The reversal of 1103401221 is 1221043011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1103401221 - 2³ = 1103401213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103401221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103401291) 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, 14146131 + ... + 14146208.

It is an arithmetic number, because the mean of its divisors is an integer number (198046380).

Almost surely, 2^1103401221 is an apocalyptic number.

It is an amenable number.

1103401221 is a deficient number, since it is larger than the sum of its proper divisors (480969819).

1103401221 is a wasteful number, since it uses less digits than its factorization.

1103401221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28292355.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1103401221 is about 33217.4836644801. The cubic root of 1103401221 is about 1033.3429640333.

Adding to 1103401221 its reverse (1221043011), we get a palindrome (2324444232).

The spelling of 1103401221 in words is "one billion, one hundred three million, four hundred one thousand, two hundred twenty-one".