2212131021303 has 12 divisors (see below), whose sum is σ = 3431060359800. Its totient is φ = 1264074869232.

The previous prime is 2212131021299. The next prime is 2212131021307. The reversal of 2212131021303 is 3031201312122.

It is an interprime number because it is at equal distance from previous prime (2212131021299) and next prime (2212131021307).

It is not a de Polignac number, because 2212131021303 - 2² = 2212131021299 is a prime.

It is a super-2 number, since 2×2212131021303² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2212131021303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212131021307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7524255028 + ... + 7524255321.

It is an arithmetic number, because the mean of its divisors is an integer number (285921696650).

Almost surely, 2^{2212131021303} is an apocalyptic number.

2212131021303 is a deficient number, since it is larger than the sum of its proper divisors (1218929338497).

2212131021303 is a wasteful number, since it uses less digits than its factorization.

2212131021303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15048510366 (or 15048510359 counting only the distinct ones).

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

Adding to 2212131021303 its reverse (3031201312122), we get a palindrome (5243332333425).

The spelling of 2212131021303 in words is "two trillion, two hundred twelve billion, one hundred thirty-one million, twenty-one thousand, three hundred three".