1022112101111 has 2 divisors, whose sum is σ = 1022112101112. Its totient is φ = 1022112101110.

The previous prime is 1022112101083. The next prime is 1022112101119. The reversal of 1022112101111 is 1111012112201.

It is a strong prime.

It is an emirp because it is prime and its reverse (1111012112201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022112101111 - 2⁶ = 1022112101047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022112101119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511056050555 + 511056050556.

It is an arithmetic number, because the mean of its divisors is an integer number (511056050556).

Almost surely, 2^{1022112101111} is an apocalyptic number.

1022112101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022112101111 is an equidigital number, since it uses as much as digits as its factorization.

1022112101111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1022112101111 its reverse (1111012112201), we get a palindrome (2133124213312).

The spelling of 1022112101111 in words is "one trillion, twenty-two billion, one hundred twelve million, one hundred one thousand, one hundred eleven".