1020010201123 has 2 divisors, whose sum is σ = 1020010201124. Its totient is φ = 1020010201122.

The previous prime is 1020010201109. The next prime is 1020010201141. The reversal of 1020010201123 is 3211020100201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020010201123 - 2³⁷ = 882571247651 is a prime.

It is a super-2 number, since 2×1020010201123² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020010201183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510005100561 + 510005100562.

It is an arithmetic number, because the mean of its divisors is an integer number (510005100562).

Almost surely, 2^{1020010201123} is an apocalyptic number.

1020010201123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020010201123 is an equidigital number, since it uses as much as digits as its factorization.

1020010201123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1020010201123 its reverse (3211020100201), we get a palindrome (4231030301324).

The spelling of 1020010201123 in words is "one trillion, twenty billion, ten million, two hundred one thousand, one hundred twenty-three".