1101020000123 has 2 divisors, whose sum is σ = 1101020000124. Its totient is φ = 1101020000122.

The previous prime is 1101020000111. The next prime is 1101020000141. The reversal of 1101020000123 is 3210000201011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1101020000123 - 2³² = 1096725032827 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101020300123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550510000061 + 550510000062.

It is an arithmetic number, because the mean of its divisors is an integer number (550510000062).

Almost surely, 2^{1101020000123} is an apocalyptic number.

1101020000123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101020000123 is an equidigital number, since it uses as much as digits as its factorization.

1101020000123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1101020000123 its reverse (3210000201011), we get a palindrome (4311020201134).

The spelling of 1101020000123 in words is "one trillion, one hundred one billion, twenty million, one hundred twenty-three", and thus it is an aban number.