2113531201322 has 4 divisors (see below), whose sum is σ = 3170296801986. Its totient is φ = 1056765600660.

The previous prime is 2113531201307. The next prime is 2113531201343. The reversal of 2113531201322 is 2231021353112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1879808265721 + 233722935601 = 1371061^2 + 483449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2113531201291 and 2113531201300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528382800329 + ... + 528382800332.

Almost surely, 2^{2113531201322} is an apocalyptic number.

2113531201322 is a deficient number, since it is larger than the sum of its proper divisors (1056765600664).

2113531201322 is a wasteful number, since it uses less digits than its factorization.

2113531201322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056765600663.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 2113531201322 its reverse (2231021353112), we get a palindrome (4344552554434).

The spelling of 2113531201322 in words is "two trillion, one hundred thirteen billion, five hundred thirty-one million, two hundred one thousand, three hundred twenty-two".