210221102120102 has 8 divisors (see below), whose sum is σ = 325503641992512. Its totient is φ = 101719888122600.

The previous prime is 210221102120041. The next prime is 210221102120123. The reversal of 210221102120102 is 201021201122012.

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, 1695331468649 + ... + 1695331468772.

It is an arithmetic number, because the mean of its divisors is an integer number (40687955249064).

Almost surely, 2^{210221102120102} is an apocalyptic number.

210221102120102 is a deficient number, since it is larger than the sum of its proper divisors (115282539872410).

210221102120102 is a wasteful number, since it uses less digits than its factorization.

210221102120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390662937454.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210221102120102 its reverse (201021201122012), we get a palindrome (411242303242114).

The spelling of 210221102120102 in words is "two hundred ten trillion, two hundred twenty-one billion, one hundred two million, one hundred twenty thousand, one hundred two".