120011012221101 has 4 divisors (see below), whose sum is σ = 160014682961472. Its totient is φ = 80007341480732.

The previous prime is 120011012221007. The next prime is 120011012221123. The reversal of 120011012221101 is 101122210110021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120011012221101 - 2⁷ = 120011012220973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011012221181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20001835370181 + ... + 20001835370186.

It is an arithmetic number, because the mean of its divisors is an integer number (40003670740368).

Almost surely, 2^{120011012221101} is an apocalyptic number.

It is an amenable number.

120011012221101 is a deficient number, since it is larger than the sum of its proper divisors (40003670740371).

120011012221101 is an equidigital number, since it uses as much as digits as its factorization.

120011012221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40003670740370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 120011012221101 its reverse (101122210110021), we get a palindrome (221133222331122).

The spelling of 120011012221101 in words is "one hundred twenty trillion, eleven billion, twelve million, two hundred twenty-one thousand, one hundred one".