101213320100 has 18 divisors (see below), whose sum is σ = 219632904834. Its totient is φ = 40485328000.

The previous prime is 101213320097. The next prime is 101213320127. The reversal of 101213320100 is 1023312101.

It can be written as a sum of positive squares in 3 ways, for example, as 14258176 + 101199061924 = 3776^2 + 318118^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506066501 + ... + 506066700.

Almost surely, 2^101213320100 is an apocalyptic number.

101213320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101213320100 is an abundant number, since it is smaller than the sum of its proper divisors (118419584734).

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

101213320100 is a wasteful number, since it uses less digits than its factorization.

101213320100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012133215 (or 1012133208 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101213320100 its reverse (1023312101), we get a palindrome (102236632201).

The spelling of 101213320100 in words is "one hundred one billion, two hundred thirteen million, three hundred twenty thousand, one hundred".