111200010122122 has 4 divisors (see below), whose sum is σ = 166800015183186. Its totient is φ = 55600005061060.

The previous prime is 111200010122077. The next prime is 111200010122209. The reversal of 111200010122122 is 221221010002111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110889303099201 + 310707022921 = 10530399^2 + 557411^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111200010122096 and 111200010122105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27800002530529 + ... + 27800002530532.

Almost surely, 2^{111200010122122} is an apocalyptic number.

111200010122122 is a deficient number, since it is larger than the sum of its proper divisors (55600005061064).

111200010122122 is an equidigital number, since it uses as much as digits as its factorization.

111200010122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55600005061063.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111200010122122 its reverse (221221010002111), we get a palindrome (332421020124233).

The spelling of 111200010122122 in words is "one hundred eleven trillion, two hundred billion, ten million, one hundred twenty-two thousand, one hundred twenty-two".