120021121011003 has 64 divisors (see below), whose sum is σ = 171002428439040. Its totient is φ = 74743075427328.

The previous prime is 120021121010981. The next prime is 120021121011007. The reversal of 120021121011003 is 300110121120021.

It is not a de Polignac number, because 120021121011003 - 2¹² = 120021121006907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120021121011007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3936006825 + ... + 3936037317.

It is an arithmetic number, because the mean of its divisors is an integer number (2671912944360).

Almost surely, 2^{120021121011003} is an apocalyptic number.

120021121011003 is a deficient number, since it is larger than the sum of its proper divisors (50981307428037).

120021121011003 is a wasteful number, since it uses less digits than its factorization.

120021121011003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40508.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120021121011003 its reverse (300110121120021), we get a palindrome (420131242131024).

The spelling of 120021121011003 in words is "one hundred twenty trillion, twenty-one billion, one hundred twenty-one million, eleven thousand, three".