2002141002421 has 16 divisors (see below), whose sum is σ = 2289937068160. Its totient is φ = 1714789258560.

The previous prime is 2002141002287. The next prime is 2002141002473. The reversal of 2002141002421 is 1242001412002.

It is not a de Polignac number, because 2002141002421 - 2⁹ = 2002141001909 is a prime.

It is a super-2 number, since 2×2002141002421² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002141002481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138847150 + ... + 138861568.

It is an arithmetic number, because the mean of its divisors is an integer number (143121066760).

Almost surely, 2^{2002141002421} is an apocalyptic number.

It is an amenable number.

2002141002421 is a deficient number, since it is larger than the sum of its proper divisors (287796065739).

2002141002421 is a wasteful number, since it uses less digits than its factorization.

2002141002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28444.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2002141002421 its reverse (1242001412002), we get a palindrome (3244142414423).

The spelling of 2002141002421 in words is "two trillion, two billion, one hundred forty-one million, two thousand, four hundred twenty-one".