1314221100 has 36 divisors (see below), whose sum is σ = 3802480584. Its totient is φ = 350458880.

The previous prime is 1314221063. The next prime is 1314221107. The reversal of 1314221100 is 11224131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1314221100.

It is not an unprimeable number, because it can be changed into a prime (1314221107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2190069 + ... + 2190668.

Almost surely, 2^1314221100 is an apocalyptic number.

1314221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314221100 is an abundant number, since it is smaller than the sum of its proper divisors (2488259484).

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

1314221100 is a wasteful number, since it uses less digits than its factorization.

1314221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4380754 (or 4380747 counting only the distinct ones).

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

The square root of 1314221100 is about 36252.1875202035. The cubic root of 1314221100 is about 1095.3581531036.

Adding to 1314221100 its reverse (11224131), we get a palindrome (1325445231).

The spelling of 1314221100 in words is "one billion, three hundred fourteen million, two hundred twenty-one thousand, one hundred".