120012100100011 has 4 divisors (see below), whose sum is σ = 137156685828592. Its totient is φ = 102867514371432.

The previous prime is 120012100099939. The next prime is 120012100100023. The reversal of 120012100100011 is 110001001210021.

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 120012100100011 - 2¹¹ = 120012100097963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120012100100071) 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, 8572292864280 + ... + 8572292864293.

It is an arithmetic number, because the mean of its divisors is an integer number (34289171457148).

Almost surely, 2^{120012100100011} is an apocalyptic number.

120012100100011 is a deficient number, since it is larger than the sum of its proper divisors (17144585728581).

120012100100011 is an equidigital number, since it uses as much as digits as its factorization.

120012100100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17144585728580.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120012100100011 its reverse (110001001210021), we get a palindrome (230013101310032).

The spelling of 120012100100011 in words is "one hundred twenty trillion, twelve billion, one hundred million, one hundred thousand, eleven".