102212110221 has 8 divisors (see below), whose sum is σ = 146766107040. Its totient is φ = 62899760112.

The previous prime is 102212110201. The next prime is 102212110223. The reversal of 102212110221 is 122011212201.

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

It is not a de Polignac number, because 102212110221 - 2⁶ = 102212110157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102212110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212110223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310411631 + ... + 1310411708.

It is an arithmetic number, because the mean of its divisors is an integer number (18345763380).

Almost surely, 2^102212110221 is an apocalyptic number.

It is an amenable number.

102212110221 is a deficient number, since it is larger than the sum of its proper divisors (44553996819).

102212110221 is a wasteful number, since it uses less digits than its factorization.

102212110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620823355.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102212110221 its reverse (122011212201), we get a palindrome (224223322422).

The spelling of 102212110221 in words is "one hundred two billion, two hundred twelve million, one hundred ten thousand, two hundred twenty-one".