11057120203 has 8 divisors (see below), whose sum is σ = 11632273200. Its totient is φ = 10494892128.

The previous prime is 11057120197. The next prime is 11057120209. The reversal of 11057120203 is 30202175011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11057120197) and next prime (11057120209).

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

It is not a de Polignac number, because 11057120203 - 2⁹ = 11057119691 is a prime.

It is a super-2 number, since 2×11057120203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11057120209) 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, 3229476 + ... + 3232897.

It is an arithmetic number, because the mean of its divisors is an integer number (1454034150).

Almost surely, 2^11057120203 is an apocalyptic number.

11057120203 is a deficient number, since it is larger than the sum of its proper divisors (575152997).

11057120203 is an equidigital number, since it uses as much as digits as its factorization.

11057120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462461.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 11057120203 its reverse (30202175011), we get a palindrome (41259295214).

The spelling of 11057120203 in words is "eleven billion, fifty-seven million, one hundred twenty thousand, two hundred three".