1022122012111 has 2 divisors, whose sum is σ = 1022122012112. Its totient is φ = 1022122012110.

The previous prime is 1022122012103. The next prime is 1022122012187. The reversal of 1022122012111 is 1112102212201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022122012111 - 2³ = 1022122012103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022122012211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511061006055 + 511061006056.

It is an arithmetic number, because the mean of its divisors is an integer number (511061006056).

Almost surely, 2^{1022122012111} is an apocalyptic number.

1022122012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022122012111 is an equidigital number, since it uses as much as digits as its factorization.

1022122012111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1022122012111 its reverse (1112102212201), we get a palindrome (2134224224312).

The spelling of 1022122012111 in words is "one trillion, twenty-two billion, one hundred twenty-two million, twelve thousand, one hundred eleven".