1022120021123 has 2 divisors, whose sum is σ = 1022120021124. Its totient is φ = 1022120021122.

The previous prime is 1022120021099. The next prime is 1022120021129. The reversal of 1022120021123 is 3211200212201.

It is a strong prime.

It is an emirp because it is prime and its reverse (3211200212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022120021123 - 2¹² = 1022120017027 is a prime.

It is a super-2 number, since 2×1022120021123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1022120021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511060010561 + 511060010562.

It is an arithmetic number, because the mean of its divisors is an integer number (511060010562).

Almost surely, 2^{1022120021123} is an apocalyptic number.

1022120021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022120021123 is an equidigital number, since it uses as much as digits as its factorization.

1022120021123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1022120021123 its reverse (3211200212201), we get a palindrome (4233320233324).

The spelling of 1022120021123 in words is "one trillion, twenty-two billion, one hundred twenty million, twenty-one thousand, one hundred twenty-three".