11003212101 has 12 divisors (see below), whose sum is σ = 17066206752. Its totient is φ = 6287549688.

The previous prime is 11003212091. The next prime is 11003212111. The reversal of 11003212101 is 10121230011.

It is an interprime number because it is at equal distance from previous prime (11003212091) and next prime (11003212111).

It is not a de Polignac number, because 11003212101 - 2²² = 10999017797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003212111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37425745 + ... + 37426038.

It is an arithmetic number, because the mean of its divisors is an integer number (1422183896).

Almost surely, 2^11003212101 is an apocalyptic number.

It is an amenable number.

11003212101 is a deficient number, since it is larger than the sum of its proper divisors (6062994651).

11003212101 is an equidigital number, since it uses as much as digits as its factorization.

11003212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74851800 (or 74851793 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11003212101 its reverse (10121230011), we get a palindrome (21124442112).

The spelling of 11003212101 in words is "eleven billion, three million, two hundred twelve thousand, one hundred one".