120203222100203 has 16 divisors (see below), whose sum is σ = 134824779113472. Its totient is φ = 106217000136000.

The previous prime is 120203222100193. The next prime is 120203222100223. The reversal of 120203222100203 is 302001222302021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120203222100203 - 2¹⁶ = 120203222034667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120203222100223) 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, 491623151 + ... + 491867592.

It is an arithmetic number, because the mean of its divisors is an integer number (8426548694592).

Almost surely, 2^{120203222100203} is an apocalyptic number.

120203222100203 is a deficient number, since it is larger than the sum of its proper divisors (14621557013269).

120203222100203 is a wasteful number, since it uses less digits than its factorization.

120203222100203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983491066.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 120203222100203 its reverse (302001222302021), we get a palindrome (422204444402224).

It can be divided in two parts, 12020 and 3222100203, that added together give a palindrome (3222112223).

The spelling of 120203222100203 in words is "one hundred twenty trillion, two hundred three billion, two hundred twenty-two million, one hundred thousand, two hundred three".