2212003131361 has 2 divisors, whose sum is σ = 2212003131362. Its totient is φ = 2212003131360.

The previous prime is 2212003131337. The next prime is 2212003131409. The reversal of 2212003131361 is 1631313002122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387757036961 + 824246094400 = 1178031^2 + 907880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212003131361 - 2¹¹ = 2212003129313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2212003131061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106001565680 + 1106001565681.

It is an arithmetic number, because the mean of its divisors is an integer number (1106001565681).

Almost surely, 2^{2212003131361} is an apocalyptic number.

It is an amenable number.

2212003131361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212003131361 is an equidigital number, since it uses as much as digits as its factorization.

2212003131361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 2212003131361 its reverse (1631313002122), we get a palindrome (3843316133483).

It can be divided in two parts, 221200 and 3131361, that added together give a square (3352561 = 1831²).

The spelling of 2212003131361 in words is "two trillion, two hundred twelve billion, three million, one hundred thirty-one thousand, three hundred sixty-one".