11003000021123 has 8 divisors (see below), whose sum is σ = 12003970456560. Its totient is φ = 10002145870080.

The previous prime is 11003000021089. The next prime is 11003000021129. The reversal of 11003000021123 is 32112000030011.

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

It is a cyclic number.

It is not a de Polignac number, because 11003000021123 - 2⁶ = 11003000021059 is a prime.

It is a super-2 number, since 2×11003000021123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11003000021098 and 11003000021107.

It is not an unprimeable number, because it can be changed into a prime (11003000021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28873190 + ... + 29251787.

It is an arithmetic number, because the mean of its divisors is an integer number (1500496307070).

Almost surely, 2^{11003000021123} is an apocalyptic number.

11003000021123 is a deficient number, since it is larger than the sum of its proper divisors (1000970435437).

11003000021123 is a wasteful number, since it uses less digits than its factorization.

11003000021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58142197.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11003000021123 its reverse (32112000030011), we get a palindrome (43115000051134).

The spelling of 11003000021123 in words is "eleven trillion, three billion, twenty-one thousand, one hundred twenty-three".