221201210102 has 8 divisors (see below), whose sum is σ = 331804432296. Its totient is φ = 110599732672.

The previous prime is 221201210093. The next prime is 221201210123. The reversal of 221201210102 is 201012102122.

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

It is a congruent 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, 51323 + ... + 667110.

It is an arithmetic number, because the mean of its divisors is an integer number (41475554037).

Almost surely, 2^221201210102 is an apocalyptic number.

221201210102 is a deficient number, since it is larger than the sum of its proper divisors (110603222194).

221201210102 is a wasteful number, since it uses less digits than its factorization.

221201210102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872382.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221201210102 its reverse (201012102122), we get a palindrome (422213312224).

The spelling of 221201210102 in words is "two hundred twenty-one billion, two hundred one million, two hundred ten thousand, one hundred two".