21213023301102 has 16 divisors (see below), whose sum is σ = 43460828227152. Its totient is φ = 6898544162880.

The previous prime is 21213023301089. The next prime is 21213023301133. The reversal of 21213023301102 is 20110332031212.

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, 43115900773 + ... + 43115901264.

It is an arithmetic number, because the mean of its divisors is an integer number (2716301764197).

Almost surely, 2^{21213023301102} is an apocalyptic number.

21213023301102 is an abundant number, since it is smaller than the sum of its proper divisors (22247804926050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21213023301102 is a wasteful number, since it uses less digits than its factorization.

21213023301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86231802083.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21213023301102 its reverse (20110332031212), we get a palindrome (41323355332314).

The spelling of 21213023301102 in words is "twenty-one trillion, two hundred thirteen billion, twenty-three million, three hundred one thousand, one hundred two".