1011100101923 has 2 divisors, whose sum is σ = 1011100101924. Its totient is φ = 1011100101922.

The previous prime is 1011100101857. The next prime is 1011100101929. The reversal of 1011100101923 is 3291010011101.

It is a happy number.

1011100101923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011100101923 - 2³⁰ = 1010026360099 is a prime.

It is a super-2 number, since 2×1011100101923² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011100101895 and 1011100101904.

It is not a weakly prime, because it can be changed into another prime (1011100101929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505550050961 + 505550050962.

It is an arithmetic number, because the mean of its divisors is an integer number (505550050962).

Almost surely, 2^{1011100101923} is an apocalyptic number.

1011100101923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011100101923 is an equidigital number, since it uses as much as digits as its factorization.

1011100101923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 1011100101923 in words is "one trillion, eleven billion, one hundred million, one hundred one thousand, nine hundred twenty-three".