121010102 has 4 divisors (see below), whose sum is σ = 181515156. Its totient is φ = 60505050.

The previous prime is 121010083. The next prime is 121010117. The reversal of 121010102 is 201010121.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121010102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30252524 + ... + 30252527.

It is an arithmetic number, because the mean of its divisors is an integer number (45378789).

Almost surely, 2^121010102 is an apocalyptic number.

121010102 is a deficient number, since it is larger than the sum of its proper divisors (60505054).

121010102 is an equidigital number, since it uses as much as digits as its factorization.

121010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60505053.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 121010102 is about 11000.4591722346. The cubic root of 121010102 is about 494.6225085080.

Adding to 121010102 its reverse (201010121), we get a palindrome (322020223).

The spelling of 121010102 in words is "one hundred twenty-one million, ten thousand, one hundred two".