10111122101203 has 4 divisors (see below), whose sum is σ = 10239110988640. Its totient is φ = 9983133213768.

The previous prime is 10111122101183. The next prime is 10111122101237. The reversal of 10111122101203 is 30210122111101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10111122101203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10111122101303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63994443600 + ... + 63994443757.

It is an arithmetic number, because the mean of its divisors is an integer number (2559777747160).

Almost surely, 2^{10111122101203} is an apocalyptic number.

10111122101203 is a deficient number, since it is larger than the sum of its proper divisors (127988887437).

10111122101203 is an equidigital number, since it uses as much as digits as its factorization.

10111122101203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127988887436.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10111122101203 its reverse (30210122111101), we get a palindrome (40321244212304).

The spelling of 10111122101203 in words is "ten trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred three".