103434122421 has 64 divisors (see below), whose sum is σ = 178942924800. Its totient is φ = 57826742400.

The previous prime is 103434122399. The next prime is 103434122459. The reversal of 103434122421 is 124221434301.

103434122421 is a `hidden beast` number, since 1 + 0 + 3 + 4 + 3 + 412 + 242 + 1 = 666.

It is not a de Polignac number, because 103434122421 - 2⁷ = 103434122293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103434122471) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2330881 + ... + 2374841.

It is an arithmetic number, because the mean of its divisors is an integer number (2795983200).

Almost surely, 2^103434122421 is an apocalyptic number.

It is an amenable number.

103434122421 is a deficient number, since it is larger than the sum of its proper divisors (75508802379).

103434122421 is a wasteful number, since it uses less digits than its factorization.

103434122421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44247 (or 44241 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 103434122421 its reverse (124221434301), we get a palindrome (227655556722).

The spelling of 103434122421 in words is "one hundred three billion, four hundred thirty-four million, one hundred twenty-two thousand, four hundred twenty-one".