100111122222122 has 32 divisors (see below), whose sum is σ = 165455082259200. Its totient is φ = 45050447304000.

The previous prime is 100111122222071. The next prime is 100111122222161. The reversal of 100111122222122 is 221222221111001.

It is a super-2 number, since 2×100111122222122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100111122222094 and 100111122222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22680404 + ... + 26732432.

It is an arithmetic number, because the mean of its divisors is an integer number (5170471320600).

Almost surely, 2^{100111122222122} is an apocalyptic number.

100111122222122 is a deficient number, since it is larger than the sum of its proper divisors (65343960037078).

100111122222122 is a wasteful number, since it uses less digits than its factorization.

100111122222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4063262.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 100111122222122 its reverse (221222221111001), we get a palindrome (321333343333123).

The spelling of 100111122222122 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-two".