221210101102 has 8 divisors (see below), whose sum is σ = 331821390816. Its totient is φ = 110602970832.

The previous prime is 221210101067. The next prime is 221210101169. The reversal of 221210101102 is 201101012122.

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

It is a super-2 number, since 2×221210101102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903318 + ... + 1121785.

It is an arithmetic number, because the mean of its divisors is an integer number (41477673852).

Almost surely, 2^221210101102 is an apocalyptic number.

221210101102 is a deficient number, since it is larger than the sum of its proper divisors (110611289714).

221210101102 is a wasteful number, since it uses less digits than its factorization.

221210101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079722.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221210101102 its reverse (201101012122), we get a palindrome (422311113224).

The spelling of 221210101102 in words is "two hundred twenty-one billion, two hundred ten million, one hundred one thousand, one hundred two".