2421043020102 has 32 divisors (see below), whose sum is σ = 5534601696000. Its totient is φ = 691627942368.

The previous prime is 2421043020061. The next prime is 2421043020173. The reversal of 2421043020102 is 2010203401242.

It is a super-2 number, since 2×2421043020102² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811477 + ... + 4401072.

It is an arithmetic number, because the mean of its divisors is an integer number (172956303000).

Almost surely, 2^{2421043020102} is an apocalyptic number.

2421043020102 is an abundant number, since it is smaller than the sum of its proper divisors (3113558675898).

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

2421043020102 is a wasteful number, since it uses less digits than its factorization.

2421043020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219580.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2421043020102 its reverse (2010203401242), we get a palindrome (4431246421344).

The spelling of 2421043020102 in words is "two trillion, four hundred twenty-one billion, forty-three million, twenty thousand, one hundred two".