1101329421 has 4 divisors (see below), whose sum is σ = 1468439232. Its totient is φ = 734219612.

The previous prime is 1101329417. The next prime is 1101329423. The reversal of 1101329421 is 1249231011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101329421 - 2² = 1101329417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101329391 and 1101329400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101329423) by changing a digit.

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, 183554901 + ... + 183554906.

It is an arithmetic number, because the mean of its divisors is an integer number (367109808).

Almost surely, 2^1101329421 is an apocalyptic number.

It is an amenable number.

1101329421 is a deficient number, since it is larger than the sum of its proper divisors (367109811).

1101329421 is an equidigital number, since it uses as much as digits as its factorization.

1101329421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367109810.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1101329421 is about 33186.2836274266. The cubic root of 1101329421 is about 1032.6958070874.

The spelling of 1101329421 in words is "one billion, one hundred one million, three hundred twenty-nine thousand, four hundred twenty-one".