1211011301203 has 8 divisors (see below), whose sum is σ = 1334183468976. Its totient is φ = 1090019172000.

The previous prime is 1211011301177. The next prime is 1211011301207. The reversal of 1211011301203 is 3021031101121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1211011301203 - 2⁹ = 1211011300691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211011301207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545008476 + ... + 545010697.

It is an arithmetic number, because the mean of its divisors is an integer number (166772933622).

Almost surely, 2^{1211011301203} is an apocalyptic number.

1211011301203 is a deficient number, since it is larger than the sum of its proper divisors (123172167773).

1211011301203 is a wasteful number, since it uses less digits than its factorization.

1211011301203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090019285.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1211011301203 its reverse (3021031101121), we get a palindrome (4232042402324).

The spelling of 1211011301203 in words is "one trillion, two hundred eleven billion, eleven million, three hundred one thousand, two hundred three".