33420222043111 has 4 divisors (see below), whose sum is σ = 33422673477712. Its totient is φ = 33417770608512.

The previous prime is 33420222043099. The next prime is 33420222043121. The reversal of 33420222043111 is 11134022202433.

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 33420222043111 - 2⁷ = 33420222042983 is a prime.

It is a super-2 number, since 2×33420222043111² (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 33420222043111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33420222043121) 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, 1225696851 + ... + 1225724116.

It is an arithmetic number, because the mean of its divisors is an integer number (8355668369428).

Almost surely, 2^{33420222043111} is an apocalyptic number.

33420222043111 is a deficient number, since it is larger than the sum of its proper divisors (2451434601).

33420222043111 is a wasteful number, since it uses less digits than its factorization.

33420222043111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451434600.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 33420222043111 its reverse (11134022202433), we get a palindrome (44554244245544).

The spelling of 33420222043111 in words is "thirty-three trillion, four hundred twenty billion, two hundred twenty-two million, forty-three thousand, one hundred eleven".