101220313204 has 24 divisors (see below), whose sum is σ = 177699501000. Its totient is φ = 50449244160.

The previous prime is 101220313171. The next prime is 101220313213. The reversal of 101220313204 is 402313022101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3659040100 + 97561273104 = 60490^2 + 312348^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1893564 + ... + 1946284.

It is an arithmetic number, because the mean of its divisors is an integer number (7404145875).

Almost surely, 2^101220313204 is an apocalyptic number.

It is an amenable number.

101220313204 is a deficient number, since it is larger than the sum of its proper divisors (76479187796).

101220313204 is a wasteful number, since it uses less digits than its factorization.

101220313204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54243 (or 54241 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 101220313204 its reverse (402313022101), we get a palindrome (503533335305).

The spelling of 101220313204 in words is "one hundred one billion, two hundred twenty million, three hundred thirteen thousand, two hundred four".