101320221200 has 90 divisors (see below), whose sum is σ = 267562967322. Its totient is φ = 36843699200.

The previous prime is 101320221179. The next prime is 101320221259. The reversal of 101320221200 is 2122023101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1180884496 + 100139336704 = 34364^2 + 316448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 998297 + ... + 1095096.

Almost surely, 2^101320221200 is an apocalyptic number.

101320221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101320221200 is an abundant number, since it is smaller than the sum of its proper divisors (166242746122).

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

101320221200 is a wasteful number, since it uses less digits than its factorization.

101320221200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093433 (or 2093411 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101320221200 its reverse (2122023101), we get a palindrome (103442244301).

The spelling of 101320221200 in words is "one hundred one billion, three hundred twenty million, two hundred twenty-one thousand, two hundred".