1000100120011 has 4 divisors (see below), whose sum is σ = 1000380185224. Its totient is φ = 999820054800.

The previous prime is 1000100120003. The next prime is 1000100120029. The reversal of 1000100120011 is 1100210010001.

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 1000100120011 - 2³ = 1000100120003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000100119976 and 1000100120003.

It is not an unprimeable number, because it can be changed into a prime (1000100120081) 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, 140027250 + ... + 140034391.

It is an arithmetic number, because the mean of its divisors is an integer number (250095046306).

Almost surely, 2^{1000100120011} is an apocalyptic number.

1000100120011 is a deficient number, since it is larger than the sum of its proper divisors (280065213).

1000100120011 is an equidigital number, since it uses as much as digits as its factorization.

1000100120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280065212.

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

Adding to 1000100120011 its reverse (1100210010001), we get a palindrome (2100310130012).

The spelling of 1000100120011 in words is "one trillion, one hundred million, one hundred twenty thousand, eleven".