121030111102 has 8 divisors (see below), whose sum is σ = 184521317112. Its totient is φ = 59523005400.

The previous prime is 121030111079. The next prime is 121030111133. The reversal of 121030111102 is 201111030121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 496024924 + ... + 496025167.

It is an arithmetic number, because the mean of its divisors is an integer number (23065164639).

Almost surely, 2^121030111102 is an apocalyptic number.

121030111102 is a deficient number, since it is larger than the sum of its proper divisors (63491206010).

121030111102 is an equidigital number, since it uses as much as digits as its factorization.

121030111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992050154.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 121030111102 its reverse (201111030121), we get a palindrome (322141141223).

The spelling of 121030111102 in words is "one hundred twenty-one billion, thirty million, one hundred eleven thousand, one hundred two".