33221121300213 has 64 divisors (see below), whose sum is σ = 56720883640320. Its totient is φ = 16790233824000.

The previous prime is 33221121300197. The next prime is 33221121300223. The reversal of 33221121300213 is 31200312112233.

It is not a de Polignac number, because 33221121300213 - 2⁴ = 33221121300197 is a prime.

It is a super-2 number, since 2×33221121300213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33221121300223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 144337858 + ... + 144567836.

It is an arithmetic number, because the mean of its divisors is an integer number (886263806880).

Almost surely, 2^{33221121300213} is an apocalyptic number.

33221121300213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33221121300213 is a deficient number, since it is larger than the sum of its proper divisors (23499762340107).

33221121300213 is a wasteful number, since it uses less digits than its factorization.

33221121300213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246938.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 33221121300213 its reverse (31200312112233), we get a palindrome (64421433412446).

The spelling of 33221121300213 in words is "thirty-three trillion, two hundred twenty-one billion, one hundred twenty-one million, three hundred thousand, two hundred thirteen".