111010112120002 has 4 divisors (see below), whose sum is σ = 166515168180006. Its totient is φ = 55505056060000.

The previous prime is 111010112119987. The next prime is 111010112120009. The reversal of 111010112120002 is 200021211010111.

It is a happy number.

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., 92605420095241 + 18404692024761 = 9623171^2 + 4290069^2 .

It is not an unprimeable number, because it can be changed into a prime (111010112120009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752528029999 + ... + 27752528030002.

Almost surely, 2^{111010112120002} is an apocalyptic number.

111010112120002 is a deficient number, since it is larger than the sum of its proper divisors (55505056060004).

111010112120002 is an equidigital number, since it uses as much as digits as its factorization.

111010112120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55505056060003.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111010112120002 its reverse (200021211010111), we get a palindrome (311031323130113).

The spelling of 111010112120002 in words is "one hundred eleven trillion, ten billion, one hundred twelve million, one hundred twenty thousand, two".