1211100023003 has 8 divisors (see below), whose sum is σ = 1318916188800. Its totient is φ = 1105377375168.

The previous prime is 1211100022969. The next prime is 1211100023039. The reversal of 1211100023003 is 3003200011121.

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 1211100023003 - 2¹⁰ = 1211100021979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211100023803) 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, 523378283 + ... + 523380596.

It is an arithmetic number, because the mean of its divisors is an integer number (164864523600).

Almost surely, 2^{1211100023003} is an apocalyptic number.

1211100023003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1211100023003 is a deficient number, since it is larger than the sum of its proper divisors (107816165797).

1211100023003 is a wasteful number, since it uses less digits than its factorization.

1211100023003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046758981.

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

Adding to 1211100023003 its reverse (3003200011121), we get a palindrome (4214300034124).

The spelling of 1211100023003 in words is "one trillion, two hundred eleven billion, one hundred million, twenty-three thousand, three".