100002221111 has 24 divisors (see below), whose sum is σ = 113137428096. Its totient is φ = 88184622240.

The previous prime is 100002221087. The next prime is 100002221119. The reversal of 100002221111 is 111122200001.

It is not a de Polignac number, because 100002221111 - 2²⁶ = 99935112247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100002221092 and 100002221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100002221119) 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, 3136496 + ... + 3168218.

It is an arithmetic number, because the mean of its divisors is an integer number (4714059504).

Almost surely, 2^100002221111 is an apocalyptic number.

100002221111 is a deficient number, since it is larger than the sum of its proper divisors (13135206985).

100002221111 is a wasteful number, since it uses less digits than its factorization.

100002221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32583 (or 32570 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100002221111 its reverse (111122200001), we get a palindrome (211124421112).

The spelling of 100002221111 in words is "one hundred billion, two million, two hundred twenty-one thousand, one hundred eleven".