21210222133102 has 8 divisors (see below), whose sum is σ = 31851610663176. Its totient is φ = 10593018578712.

The previous prime is 21210222133081. The next prime is 21210222133127. The reversal of 21210222133102 is 20133122201212.

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, 6046241728 + ... + 6046245235.

It is an arithmetic number, because the mean of its divisors is an integer number (3981451332897).

Almost surely, 2^{21210222133102} is an apocalyptic number.

21210222133102 is a deficient number, since it is larger than the sum of its proper divisors (10641388530074).

21210222133102 is a wasteful number, since it uses less digits than its factorization.

21210222133102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12092487842.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21210222133102 its reverse (20133122201212), we get a palindrome (41343344334314).

The spelling of 21210222133102 in words is "twenty-one trillion, two hundred ten billion, two hundred twenty-two million, one hundred thirty-three thousand, one hundred two".