11111020111203 has 8 divisors (see below), whose sum is σ = 14845621862400. Its totient is φ = 7391882550408.

The previous prime is 11111020111201. The next prime is 11111020111237. The reversal of 11111020111203 is 30211102011111.

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

It is not a de Polignac number, because 11111020111203 - 2¹ = 11111020111201 is a prime.

It is a super-2 number, since 2×11111020111203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11111020111201) 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, 3866045923 + ... + 3866048796.

It is an arithmetic number, because the mean of its divisors is an integer number (1855702732800).

Almost surely, 2^{11111020111203} is an apocalyptic number.

11111020111203 is a deficient number, since it is larger than the sum of its proper divisors (3734601751197).

11111020111203 is an equidigital number, since it uses as much as digits as its factorization.

11111020111203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7732095201.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 11111020111203 its reverse (30211102011111), we get a palindrome (41322122122314).

The spelling of 11111020111203 in words is "eleven trillion, one hundred eleven billion, twenty million, one hundred eleven thousand, two hundred three".