1000020011123 has 8 divisors (see below), whose sum is σ = 1143250741248. Its totient is φ = 856881963144.

The previous prime is 1000020011117. The next prime is 1000020011171. The reversal of 1000020011123 is 3211100200001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000020011123 - 2³⁶ = 931300534387 is a prime.

It is a super-2 number, since 2×1000020011123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000020011113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23147411 + ... + 23190572.

It is an arithmetic number, because the mean of its divisors is an integer number (142906342656).

Almost surely, 2^{1000020011123} is an apocalyptic number.

1000020011123 is a deficient number, since it is larger than the sum of its proper divisors (143230730125).

1000020011123 is an equidigital number, since it uses as much as digits as its factorization.

1000020011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46341073.

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

Adding to 1000020011123 its reverse (3211100200001), we get a palindrome (4211120211124).

The spelling of 1000020011123 in words is "one trillion, twenty million, eleven thousand, one hundred twenty-three".