103011221123 has 24 divisors (see below), whose sum is σ = 112852687680. Its totient is φ = 93946469760.

The previous prime is 103011221063. The next prime is 103011221197. The reversal of 103011221123 is 321122110301.

It is not a de Polignac number, because 103011221123 - 2¹² = 103011217027 is a prime.

It is a super-2 number, since 2×103011221123² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103011224123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 985223 + ... + 1084751.

It is an arithmetic number, because the mean of its divisors is an integer number (4702195320).

Almost surely, 2^103011221123 is an apocalyptic number.

103011221123 is a deficient number, since it is larger than the sum of its proper divisors (9841466557).

103011221123 is an equidigital number, since it uses as much as digits as its factorization.

103011221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99675 (or 99656 counting only the distinct ones).

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

Adding to 103011221123 its reverse (321122110301), we get a palindrome (424133331424).

The spelling of 103011221123 in words is "one hundred three billion, eleven million, two hundred twenty-one thousand, one hundred twenty-three".