33421142203111 has 4 divisors (see below), whose sum is σ = 35991999295672. Its totient is φ = 30850285110552.

The previous prime is 33421142203073. The next prime is 33421142203117. The reversal of 33421142203111 is 11130224112433.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33421142203111 is a prime.

It is a super-2 number, since 2×33421142203111² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33421142203111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421142203117) 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, 1285428546261 + ... + 1285428546286.

It is an arithmetic number, because the mean of its divisors is an integer number (8997999823918).

Almost surely, 2^{33421142203111} is an apocalyptic number.

33421142203111 is a deficient number, since it is larger than the sum of its proper divisors (2570857092561).

33421142203111 is a wasteful number, since it uses less digits than its factorization.

33421142203111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570857092560.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 33421142203111 its reverse (11130224112433), we get a palindrome (44551366315544).

The spelling of 33421142203111 in words is "thirty-three trillion, four hundred twenty-one billion, one hundred forty-two million, two hundred three thousand, one hundred eleven".