221230100300202 has 128 divisors (see below), whose sum is σ = 562674916177920. Its totient is φ = 63116307717120.

The previous prime is 221230100300191. The next prime is 221230100300249. The reversal of 221230100300202 is 202003001032122.

221230100300202 is a `hidden beast` number, since 2 + 212 + 30 + 100 + 300 + 20 + 2 = 666.

It is a super-3 number, since 3×221230100300202³ (a number of 44 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1386482058 + ... + 1386641610.

It is an arithmetic number, because the mean of its divisors is an integer number (4395897782640).

Almost surely, 2^{221230100300202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221230100300202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281337458088960).

221230100300202 is an abundant number, since it is smaller than the sum of its proper divisors (341444815877718).

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

221230100300202 is a wasteful number, since it uses less digits than its factorization.

221230100300202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164905 (or 164899 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221230100300202 its reverse (202003001032122), we get a palindrome (423233101332324).

The spelling of 221230100300202 in words is "two hundred twenty-one trillion, two hundred thirty billion, one hundred million, three hundred thousand, two hundred two".