2231212121363 has 2 divisors, whose sum is σ = 2231212121364. Its totient is φ = 2231212121362.

The previous prime is 2231212121293. The next prime is 2231212121371. The reversal of 2231212121363 is 3631212121322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2231212121363 - 2³² = 2226917154067 is a prime.

It is a super-3 number, since 3×2231212121363³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2231212123363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115606060681 + 1115606060682.

It is an arithmetic number, because the mean of its divisors is an integer number (1115606060682).

Almost surely, 2^{2231212121363} is an apocalyptic number.

2231212121363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231212121363 is an equidigital number, since it uses as much as digits as its factorization.

2231212121363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

Adding to 2231212121363 its reverse (3631212121322), we get a palindrome (5862424242685).

The spelling of 2231212121363 in words is "two trillion, two hundred thirty-one billion, two hundred twelve million, one hundred twenty-one thousand, three hundred sixty-three".