10002211111 has 4 divisors (see below), whose sum is σ = 10151497912. Its totient is φ = 9852924312.

The previous prime is 10002211081. The next prime is 10002211139. The reversal of 10002211111 is 11111220001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11111220001 = 7 ⋅1587317143.

It is a cyclic number.

It is not a de Polignac number, because 10002211111 - 2¹⁵ = 10002178343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002211151) 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, 74643300 + ... + 74643433.

It is an arithmetic number, because the mean of its divisors is an integer number (2537874478).

Almost surely, 2^10002211111 is an apocalyptic number.

10002211111 is a deficient number, since it is larger than the sum of its proper divisors (149286801).

10002211111 is an equidigital number, since it uses as much as digits as its factorization.

10002211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149286800.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10002211111 its reverse (11111220001), we get a palindrome (21113431112).

The spelling of 10002211111 in words is "ten billion, two million, two hundred eleven thousand, one hundred eleven".