103420142010021 has 32 divisors (see below), whose sum is σ = 145072099872000. Its totient is φ = 65443633436160.

The previous prime is 103420142010013. The next prime is 103420142010193. The reversal of 103420142010021 is 120010241024301.

It is not a de Polignac number, because 103420142010021 - 2³ = 103420142010013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103420142010021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420142010011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21831016 + ... + 26142561.

It is an arithmetic number, because the mean of its divisors is an integer number (4533503121000).

Almost surely, 2^{103420142010021} is an apocalyptic number.

It is an amenable number.

103420142010021 is a deficient number, since it is larger than the sum of its proper divisors (41651957861979).

103420142010021 is a wasteful number, since it uses less digits than its factorization.

103420142010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47974029.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 103420142010021 its reverse (120010241024301), we get a palindrome (223430383034322).

The spelling of 103420142010021 in words is "one hundred three trillion, four hundred twenty billion, one hundred forty-two million, ten thousand, twenty-one".