120121111110003 has 8 divisors (see below), whose sum is σ = 160284398969088. Its totient is φ = 80019281995464.

The previous prime is 120121111109903. The next prime is 120121111110029. The reversal of 120121111110003 is 300011111121021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120121111110003 - 2¹⁴ = 120121111093619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120121111110503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15364681575 + ... + 15364689392.

It is an arithmetic number, because the mean of its divisors is an integer number (20035549871136).

Almost surely, 2^{120121111110003} is an apocalyptic number.

120121111110003 is a deficient number, since it is larger than the sum of its proper divisors (40163287859085).

120121111110003 is a wasteful number, since it uses less digits than its factorization.

120121111110003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30729372273.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 120121111110003 its reverse (300011111121021), we get a palindrome (420132222231024).

The spelling of 120121111110003 in words is "one hundred twenty trillion, one hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, three".