330100142020421 has 4 divisors (see below), whose sum is σ = 337776889509312. Its totient is φ = 322423394531532.

The previous prime is 330100142020391. The next prime is 330100142020433. The reversal of 330100142020421 is 124020241001033.

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 a de Polignac number, because none of the positive numbers 2^k-330100142020421 is a prime.

It is a super-2 number, since 2×330100142020421² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330100142020471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838373744381 + ... + 3838373744466.

It is an arithmetic number, because the mean of its divisors is an integer number (84444222377328).

Almost surely, 2^{330100142020421} is an apocalyptic number.

It is an amenable number.

330100142020421 is a deficient number, since it is larger than the sum of its proper divisors (7676747488891).

330100142020421 is an equidigital number, since it uses as much as digits as its factorization.

330100142020421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676747488890.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 330100142020421 its reverse (124020241001033), we get a palindrome (454120383021454).

The spelling of 330100142020421 in words is "three hundred thirty trillion, one hundred billion, one hundred forty-two million, twenty thousand, four hundred twenty-one".