1203113220011 has 16 divisors (see below), whose sum is σ = 1323062022240. Its totient is φ = 1088939712000.

The previous prime is 1203113219993. The next prime is 1203113220031. The reversal of 1203113220011 is 1100223113021.

It is a cyclic number.

It is not a de Polignac number, because 1203113220011 - 2⁶ = 1203113219947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203113220031) 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, 4737596 + ... + 4985081.

It is an arithmetic number, because the mean of its divisors is an integer number (82691376390).

Almost surely, 2^{1203113220011} is an apocalyptic number.

1203113220011 is a deficient number, since it is larger than the sum of its proper divisors (119948802229).

1203113220011 is a wasteful number, since it uses less digits than its factorization.

1203113220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9722974.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1203113220011 its reverse (1100223113021), we get a palindrome (2303336333032).

The spelling of 1203113220011 in words is "one trillion, two hundred three billion, one hundred thirteen million, two hundred twenty thousand, eleven".