111002012106 has 32 divisors (see below), whose sum is σ = 227193405120. Its totient is φ = 36135974784.

The previous prime is 111002012101. The next prime is 111002012117. The reversal of 111002012106 is 601210200111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (111002012101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2811430 + ... + 2850638.

It is an arithmetic number, because the mean of its divisors is an integer number (7099793910).

Almost surely, 2^111002012106 is an apocalyptic number.

111002012106 is an abundant number, since it is smaller than the sum of its proper divisors (116191393014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111002012106 is a wasteful number, since it uses less digits than its factorization.

111002012106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50230.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 111002012106 its reverse (601210200111), we get a palindrome (712212212217).

The spelling of 111002012106 in words is "one hundred eleven billion, two million, twelve thousand, one hundred six".