121002110210 has 8 divisors (see below), whose sum is σ = 217803798396. Its totient is φ = 48400844080.

The previous prime is 121002110129. The next prime is 121002110231. The reversal of 121002110210 is 12011200121.

It can be written as a sum of positive squares in 2 ways, for example, as 120237643009 + 764467201 = 346753^2 + 27649^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121002110191 and 121002110200.

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, 6050105501 + ... + 6050105520.

Almost surely, 2^121002110210 is an apocalyptic number.

121002110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121002110210 is a deficient number, since it is larger than the sum of its proper divisors (96801688186).

121002110210 is a wasteful number, since it uses less digits than its factorization.

121002110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100211028.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121002110210 its reverse (12011200121), we get a palindrome (133013310331).

The spelling of 121002110210 in words is "one hundred twenty-one billion, two million, one hundred ten thousand, two hundred ten".