121112102111110 has 32 divisors (see below), whose sum is σ = 239244200439552. Its totient is φ = 43777047245280.

The previous prime is 121112102111057. The next prime is 121112102111213. The reversal of 121112102111110 is 11111201211121.

It is a congruent number.

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, 3296446032 + ... + 3296482771.

It is an arithmetic number, because the mean of its divisors is an integer number (7476381263736).

Almost surely, 2^{121112102111110} is an apocalyptic number.

121112102111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121112102111110 is a deficient number, since it is larger than the sum of its proper divisors (118132098328442).

121112102111110 is a wasteful number, since it uses less digits than its factorization.

121112102111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6592928988.

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 121112102111110 its reverse (11111201211121), we get a palindrome (132223303322231).

The spelling of 121112102111110 in words is "one hundred twenty-one trillion, one hundred twelve billion, one hundred two million, one hundred eleven thousand, one hundred ten".