33021011145 has 48 divisors (see below), whose sum is σ = 56706333120. Its totient is φ = 16401356928.

The previous prime is 33021011141. The next prime is 33021011159. The reversal of 33021011145 is 54111012033.

It is not a de Polignac number, because 33021011145 - 2² = 33021011141 is a prime.

It is a super-2 number, since 2×33021011145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33021011141) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 267807 + ... + 371163.

It is an arithmetic number, because the mean of its divisors is an integer number (1181381940).

Almost surely, 2^33021011145 is an apocalyptic number.

It is an amenable number.

33021011145 is a deficient number, since it is larger than the sum of its proper divisors (23685321975).

33021011145 is a wasteful number, since it uses less digits than its factorization.

33021011145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103462 (or 103443 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 33021011145 its reverse (54111012033), we get a palindrome (87132023178).

The spelling of 33021011145 in words is "thirty-three billion, twenty-one million, eleven thousand, one hundred forty-five".