2133101220321 has 16 divisors (see below), whose sum is σ = 2921052525248. Its totient is φ = 1383609988800.

The previous prime is 2133101220287. The next prime is 2133101220329. The reversal of 2133101220321 is 1230221013312.

It is not a de Polignac number, because 2133101220321 - 2¹⁰ = 2133101219297 is a prime.

It is a super-2 number, since 2×2133101220321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133101220329) 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, 8622726 + ... + 8866656.

It is an arithmetic number, because the mean of its divisors is an integer number (182565782828).

Almost surely, 2^{2133101220321} is an apocalyptic number.

It is an amenable number.

2133101220321 is a deficient number, since it is larger than the sum of its proper divisors (787951304927).

2133101220321 is a wasteful number, since it uses less digits than its factorization.

2133101220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322752.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2133101220321 its reverse (1230221013312), we get a palindrome (3363322233633).

The spelling of 2133101220321 in words is "two trillion, one hundred thirty-three billion, one hundred one million, two hundred twenty thousand, three hundred twenty-one".