1201120101203 has 16 divisors (see below), whose sum is σ = 1335557203200. Its totient is φ = 1070974718880.

The previous prime is 1201120101191. The next prime is 1201120101239. The reversal of 1201120101203 is 3021010211021.

It is not a de Polignac number, because 1201120101203 - 2¹⁴ = 1201120084819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201120101253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822976 + ... + 2392797.

It is an arithmetic number, because the mean of its divisors is an integer number (83472325200).

Almost surely, 2^{1201120101203} is an apocalyptic number.

1201120101203 is a deficient number, since it is larger than the sum of its proper divisors (134437101997).

1201120101203 is a wasteful number, since it uses less digits than its factorization.

1201120101203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4216282.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1201120101203 its reverse (3021010211021), we get a palindrome (4222130312224).

The spelling of 1201120101203 in words is "one trillion, two hundred one billion, one hundred twenty million, one hundred one thousand, two hundred three".