112100022111122 has 4 divisors (see below), whose sum is σ = 168150033166686. Its totient is φ = 56050011055560.

The previous prime is 112100022111109. The next prime is 112100022111127. The reversal of 112100022111122 is 221111220001211.

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., 93705710589241 + 18394311521881 = 9680171^2 + 4288859^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112100022111122.

It is not an unprimeable number, because it can be changed into a prime (112100022111127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28025005527779 + ... + 28025005527782.

Almost surely, 2^{112100022111122} is an apocalyptic number.

112100022111122 is a deficient number, since it is larger than the sum of its proper divisors (56050011055564).

112100022111122 is an equidigital number, since it uses as much as digits as its factorization.

112100022111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56050011055563.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112100022111122 its reverse (221111220001211), we get a palindrome (333211242112333).

The spelling of 112100022111122 in words is "one hundred twelve trillion, one hundred billion, twenty-two million, one hundred eleven thousand, one hundred twenty-two".