100012100011 has 4 divisors (see below), whose sum is σ = 100092175000. Its totient is φ = 99932025024.

The previous prime is 100012099981. The next prime is 100012100057. The reversal of 100012100011 is 110001210001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100012100011 - 2¹⁹ = 100011575723 is a prime.

It is a super-2 number, since 2×100012100011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100012099967 and 100012100003.

It is not an unprimeable number, because it can be changed into a prime (100012200011) 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, 40035621 + ... + 40038118.

It is an arithmetic number, because the mean of its divisors is an integer number (25023043750).

Almost surely, 2^100012100011 is an apocalyptic number.

100012100011 is a deficient number, since it is larger than the sum of its proper divisors (80074989).

100012100011 is an equidigital number, since it uses as much as digits as its factorization.

100012100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80074988.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 100012100011 its reverse (110001210001), we get a palindrome (210013310012).

The spelling of 100012100011 in words is "one hundred billion, twelve million, one hundred thousand, eleven".