221210212010102 has 16 divisors (see below), whose sum is σ = 379231495573920. Its totient is φ = 94800879258048.

The previous prime is 221210212010093. The next prime is 221210212010189. The reversal of 221210212010102 is 201010212012122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291050063 + ... + 291809114.

It is an arithmetic number, because the mean of its divisors is an integer number (23701968473370).

Almost surely, 2^{221210212010102} is an apocalyptic number.

221210212010102 is a deficient number, since it is larger than the sum of its proper divisors (158021283563818).

221210212010102 is a wasteful number, since it uses less digits than its factorization.

221210212010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582886295.

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

Adding to 221210212010102 its reverse (201010212012122), we get a palindrome (422220424022224).

The spelling of 221210212010102 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred twelve million, ten thousand, one hundred two".