33412221011 has 16 divisors (see below), whose sum is σ = 37238772480. Its totient is φ = 29770277760.

The previous prime is 33412220977. The next prime is 33412221019. The reversal of 33412221011 is 11012221433.

It is a cyclic number.

It is not a de Polignac number, because 33412221011 - 2¹⁰ = 33412219987 is a prime.

It is a super-2 number, since 2×33412221011² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33412221019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50201 + ... + 263333.

It is an arithmetic number, because the mean of its divisors is an integer number (2327423280).

Almost surely, 2^33412221011 is an apocalyptic number.

33412221011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

33412221011 is a deficient number, since it is larger than the sum of its proper divisors (3826551469).

33412221011 is a wasteful number, since it uses less digits than its factorization.

33412221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213566.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 33412221011 its reverse (11012221433), we get a palindrome (44424442444).

The spelling of 33412221011 in words is "thirty-three billion, four hundred twelve million, two hundred twenty-one thousand, eleven".