120003220100203 has 16 divisors (see below), whose sum is σ = 131054491662336. Its totient is φ = 108975649487040.

The previous prime is 120003220100143. The next prime is 120003220100213. The reversal of 120003220100203 is 302001022300021.

It is a cyclic number.

It is not a de Polignac number, because 120003220100203 - 2⁹ = 120003220099691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120003220100213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44070775 + ... + 46714447.

It is an arithmetic number, because the mean of its divisors is an integer number (8190905728896).

Almost surely, 2^{120003220100203} is an apocalyptic number.

120003220100203 is a deficient number, since it is larger than the sum of its proper divisors (11051271562133).

120003220100203 is a wasteful number, since it uses less digits than its factorization.

120003220100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648154.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 120003220100203 its reverse (302001022300021), we get a palindrome (422004242400224).

The spelling of 120003220100203 in words is "one hundred twenty trillion, three billion, two hundred twenty million, one hundred thousand, two hundred three".