2101221330233 has 16 divisors (see below), whose sum is σ = 2189493504000. Its totient is φ = 2014982284560.

The previous prime is 2101221330199. The next prime is 2101221330239. The reversal of 2101221330233 is 3320331221012.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101221330233 is a prime.

It is a super-2 number, since 2×2101221330233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101221330199 and 2101221330208.

It is not an unprimeable number, because it can be changed into a prime (2101221330239) 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, 710183 + ... + 2169516.

It is an arithmetic number, because the mean of its divisors is an integer number (136843344000).

Almost surely, 2^{2101221330233} is an apocalyptic number.

It is an amenable number.

2101221330233 is a deficient number, since it is larger than the sum of its proper divisors (88272173767).

2101221330233 is a wasteful number, since it uses less digits than its factorization.

2101221330233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880052.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2101221330233 its reverse (3320331221012), we get a palindrome (5421552551245).

The spelling of 2101221330233 in words is "two trillion, one hundred one billion, two hundred twenty-one million, three hundred thirty thousand, two hundred thirty-three".