100100001011 has 4 divisors (see below), whose sum is σ = 104452174992. Its totient is φ = 95747827032.

The previous prime is 100100000993. The next prime is 100100001031. The reversal of 100100001011 is 110100001001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110100001001 = 4259 ⋅25851139.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100100001011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100100000986 and 100100001004.

It is not an unprimeable number, because it can be changed into a prime (100100001031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176086956 + ... + 2176087001.

It is an arithmetic number, because the mean of its divisors is an integer number (26113043748).

Almost surely, 2^100100001011 is an apocalyptic number.

100100001011 is a deficient number, since it is larger than the sum of its proper divisors (4352173981).

100100001011 is an equidigital number, since it uses as much as digits as its factorization.

100100001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352173980.

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 100100001011 its reverse (110100001001), we get a palindrome (210200002012).

The spelling of 100100001011 in words is "one hundred billion, one hundred million, one thousand, eleven".