33220010001001 has 16 divisors (see below), whose sum is σ = 35218318798224. Its totient is φ = 31226619561984.

The previous prime is 33220010000897. The next prime is 33220010001067. The reversal of 33220010001001 is 10010001002233.

It can be written as a sum of positive squares in 8 ways, for example, as 2910316581225 + 30309693419776 = 1705965^2 + 5505424^2 .

It is a cyclic number.

It is not a de Polignac number, because 33220010001001 - 2¹³ = 33220009992809 is a prime.

It is a super-2 number, since 2×33220010001001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33220010001601) 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, 133057381 + ... + 133306813.

It is an arithmetic number, because the mean of its divisors is an integer number (2201144924889).

Almost surely, 2^{33220010001001} is an apocalyptic number.

It is an amenable number.

33220010001001 is a deficient number, since it is larger than the sum of its proper divisors (1998308797223).

33220010001001 is a wasteful number, since it uses less digits than its factorization.

33220010001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259260.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 33220010001001 its reverse (10010001002233), we get a palindrome (43230011003234).

The spelling of 33220010001001 in words is "thirty-three trillion, two hundred twenty billion, ten million, one thousand, one".