21213033230102 has 16 divisors (see below), whose sum is σ = 36493698769152. Its totient is φ = 9059175219240.

The previous prime is 21213033230069. The next prime is 21213033230143. The reversal of 21213033230102 is 20103233031212.

It is a super-3 number, since 3×21213033230102³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2677057274 + ... + 2677065197.

It is an arithmetic number, because the mean of its divisors is an integer number (2280856173072).

Almost surely, 2^{21213033230102} is an apocalyptic number.

21213033230102 is a deficient number, since it is larger than the sum of its proper divisors (15280665539050).

21213033230102 is a wasteful number, since it uses less digits than its factorization.

21213033230102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5354122763.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21213033230102 its reverse (20103233031212), we get a palindrome (41316266261314).

The spelling of 21213033230102 in words is "twenty-one trillion, two hundred thirteen billion, thirty-three million, two hundred thirty thousand, one hundred two".