221020103202 has 8 divisors (see below), whose sum is σ = 442040206416. Its totient is φ = 73673367732.

The previous prime is 221020103179. The next prime is 221020103233. The reversal of 221020103202 is 202301020122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

221020103202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18418341928 + ... + 18418341939.

It is an arithmetic number, because the mean of its divisors is an integer number (55255025802).

Almost surely, 2^221020103202 is an apocalyptic number.

221020103202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221020103202 is a wasteful number, since it uses less digits than its factorization.

221020103202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36836683872.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 221020103202 its reverse (202301020122), we get a palindrome (423321123324).

The spelling of 221020103202 in words is "two hundred twenty-one billion, twenty million, one hundred three thousand, two hundred two".