121000010102 has 8 divisors (see below), whose sum is σ = 183297045312. Its totient is φ = 59900995000.

The previous prime is 121000010093. The next prime is 121000010129. The reversal of 121000010102 is 201010000121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121000010102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299504774 + ... + 299505177.

It is an arithmetic number, because the mean of its divisors is an integer number (22912130664).

Almost surely, 2^121000010102 is an apocalyptic number.

121000010102 is a deficient number, since it is larger than the sum of its proper divisors (62297035210).

121000010102 is a wasteful number, since it uses less digits than its factorization.

121000010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599010054.

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

Adding to 121000010102 its reverse (201010000121), we get a palindrome (322010010223).

The spelling of 121000010102 in words is "one hundred twenty-one billion, ten thousand, one hundred two".