101220210324 has 36 divisors (see below), whose sum is σ = 257729818164. Its totient is φ = 33493790592.

The previous prime is 101220210293. The next prime is 101220210337. The reversal of 101220210324 is 423012022101.

It is a happy number.

101220210324 is a `hidden beast` number, since 10 + 122 + 0 + 210 + 324 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51343028100 + 49877182224 = 226590^2 + 223332^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 101220210297 and 101220210306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10256647 + ... + 10266510.

Almost surely, 2^101220210324 is an apocalyptic number.

It is an amenable number.

101220210324 is an abundant number, since it is smaller than the sum of its proper divisors (156509607840).

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

101220210324 is a wasteful number, since it uses less digits than its factorization.

101220210324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20523304 (or 20523299 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 101220210324 its reverse (423012022101), we get a palindrome (524232232425).

The spelling of 101220210324 in words is "one hundred one billion, two hundred twenty million, two hundred ten thousand, three hundred twenty-four".