1022111310331 has 2 divisors, whose sum is σ = 1022111310332. Its totient is φ = 1022111310330.

The previous prime is 1022111310323. The next prime is 1022111310343. The reversal of 1022111310331 is 1330131112201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022111310331 - 2³ = 1022111310323 is a prime.

It is a super-2 number, since 2×1022111310331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1022111310299 and 1022111310308.

It is not a weakly prime, because it can be changed into another prime (1022111310361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511055655165 + 511055655166.

It is an arithmetic number, because the mean of its divisors is an integer number (511055655166).

Almost surely, 2^{1022111310331} is an apocalyptic number.

1022111310331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022111310331 is an equidigital number, since it uses as much as digits as its factorization.

1022111310331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1022111310331 its reverse (1330131112201), we get a palindrome (2352242422532).

The spelling of 1022111310331 in words is "one trillion, twenty-two billion, one hundred eleven million, three hundred ten thousand, three hundred thirty-one".