121111102 has 8 divisors (see below), whose sum is σ = 207619056. Its totient is φ = 51904752.

The previous prime is 121111093. The next prime is 121111103. The reversal of 121111102 is 201111121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121111103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4325383 + ... + 4325410.

It is an arithmetic number, because the mean of its divisors is an integer number (25952382).

Almost surely, 2^121111102 is an apocalyptic number.

121111102 is a deficient number, since it is larger than the sum of its proper divisors (86507954).

121111102 is an equidigital number, since it uses as much as digits as its factorization.

121111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8650802.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 121111102 is about 11005.0489321947. The cubic root of 121111102 is about 494.7600809925.

Adding to 121111102 its reverse (201111121), we get a palindrome (322222223).

The spelling of 121111102 in words is "one hundred twenty-one million, one hundred eleven thousand, one hundred two".