34122100421 has 4 divisors (see below), whose sum is σ = 34272418272. Its totient is φ = 33971782572.

The previous prime is 34122100351. The next prime is 34122100423. The reversal of 34122100421 is 12400122143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 34122100421 - 2¹⁴ = 34122084037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34122100393 and 34122100402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34122100423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75158585 + ... + 75159038.

It is an arithmetic number, because the mean of its divisors is an integer number (8568104568).

Almost surely, 2^34122100421 is an apocalyptic number.

It is an amenable number.

34122100421 is a deficient number, since it is larger than the sum of its proper divisors (150317851).

34122100421 is a wasteful number, since it uses less digits than its factorization.

34122100421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150317850.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 34122100421 its reverse (12400122143), we get a palindrome (46522222564).

The spelling of 34122100421 in words is "thirty-four billion, one hundred twenty-two million, one hundred thousand, four hundred twenty-one".