121012120111102 has 8 divisors (see below), whose sum is σ = 198019832909112. Its totient is φ = 55005509141400.

The previous prime is 121012120111093. The next prime is 121012120111177. The reversal of 121012120111102 is 201111021210121.

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 pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2750275457049 + ... + 2750275457092.

It is an arithmetic number, because the mean of its divisors is an integer number (24752479113639).

Almost surely, 2^{121012120111102} is an apocalyptic number.

121012120111102 is a deficient number, since it is larger than the sum of its proper divisors (77007712798010).

121012120111102 is a wasteful number, since it uses less digits than its factorization.

121012120111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500550914154.

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

Adding to 121012120111102 its reverse (201111021210121), we get a palindrome (322123141321223).

It can be divided in two parts, 1210121 and 20111102, that multiplied together give a palindrome (24336866863342).

The spelling of 121012120111102 in words is "one hundred twenty-one trillion, twelve billion, one hundred twenty million, one hundred eleven thousand, one hundred two".