21413121030102 has 16 divisors (see below), whose sum is σ = 43368346391040. Its totient is φ = 7047356288232.

The previous prime is 21413121030097. The next prime is 21413121030109. The reversal of 21413121030102 is 20103012131412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21413121030109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22587679938 + ... + 22587680885.

It is an arithmetic number, because the mean of its divisors is an integer number (2710521649440).

Almost surely, 2^{21413121030102} is an apocalyptic number.

21413121030102 is an abundant number, since it is smaller than the sum of its proper divisors (21955225360938).

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

21413121030102 is a wasteful number, since it uses less digits than its factorization.

21413121030102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175360907.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 21413121030102 its reverse (20103012131412), we get a palindrome (41516133161514).

The spelling of 21413121030102 in words is "twenty-one trillion, four hundred thirteen billion, one hundred twenty-one million, thirty thousand, one hundred two".