1012212223331 has 2 divisors, whose sum is σ = 1012212223332. Its totient is φ = 1012212223330.

The previous prime is 1012212223289. The next prime is 1012212223333. The reversal of 1012212223331 is 1333222122101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012212223331 - 2²⁶ = 1012145114467 is a prime.

It is a super-2 number, since 2×1012212223331² (a number of 25 digits) contains 22 as substring.

Together with 1012212223333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1012212223297 and 1012212223306.

It is not a weakly prime, because it can be changed into another prime (1012212223333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506106111665 + 506106111666.

It is an arithmetic number, because the mean of its divisors is an integer number (506106111666).

Almost surely, 2^{1012212223331} is an apocalyptic number.

1012212223331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012212223331 is an equidigital number, since it uses as much as digits as its factorization.

1012212223331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1012212223331 its reverse (1333222122101), we get a palindrome (2345434345432).

The spelling of 1012212223331 in words is "one trillion, twelve billion, two hundred twelve million, two hundred twenty-three thousand, three hundred thirty-one".