33421430534111 has 4 divisors (see below), whose sum is σ = 33430890325512. Its totient is φ = 33411970742712.

The previous prime is 33421430534083. The next prime is 33421430534249. The reversal of 33421430534111 is 11143503412433.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33421430534111 - 2⁶ = 33421430534047 is a prime.

It is a super-3 number, since 3×33421430534111³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421430534311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4729890401 + ... + 4729897466.

It is an arithmetic number, because the mean of its divisors is an integer number (8357722581378).

Almost surely, 2^{33421430534111} is an apocalyptic number.

33421430534111 is a deficient number, since it is larger than the sum of its proper divisors (9459791401).

33421430534111 is an equidigital number, since it uses as much as digits as its factorization.

33421430534111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9459791400.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 33421430534111 its reverse (11143503412433), we get a palindrome (44564933946544).

The spelling of 33421430534111 in words is "thirty-three trillion, four hundred twenty-one billion, four hundred thirty million, five hundred thirty-four thousand, one hundred eleven".