111122220221002 has 16 divisors (see below), whose sum is σ = 174355689458880. Its totient is φ = 53015469784992.

The previous prime is 111122220220961. The next prime is 111122220221039. The reversal of 111122220221002 is 200122022221111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953160208 + ... + 2953197835.

It is an arithmetic number, because the mean of its divisors is an integer number (10897230591180).

Almost surely, 2^{111122220221002} is an apocalyptic number.

111122220221002 is a deficient number, since it is larger than the sum of its proper divisors (63233469237878).

111122220221002 is a wasteful number, since it uses less digits than its factorization.

111122220221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906358477.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 111122220221002 its reverse (200122022221111), we get a palindrome (311244242442113).

The spelling of 111122220221002 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, two hundred twenty-one thousand, two".