1101210320 has 60 divisors (see below), whose sum is σ = 2978335044. Its totient is φ = 377556480.

The previous prime is 1101210293. The next prime is 1101210401. The reversal of 1101210320 is 230121011.

It can be written as a sum of positive squares in 2 ways, for example, as 136983616 + 964226704 = 11704^2 + 31052^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136541 + ... + 144380.

Almost surely, 2^1101210320 is an apocalyptic number.

1101210320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101210320 is an abundant number, since it is smaller than the sum of its proper divisors (1877124724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101210320 is a wasteful number, since it uses less digits than its factorization.

1101210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280948 (or 280935 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1101210320 is about 33184.4891477931. The cubic root of 1101210320 is about 1032.6585794923.

Adding to 1101210320 its reverse (230121011), we get a palindrome (1331331331).

The spelling of 1101210320 in words is "one billion, one hundred one million, two hundred ten thousand, three hundred twenty".