121013110210 has 16 divisors (see below), whose sum is σ = 217958169600. Its totient is φ = 48375339376.

The previous prime is 121013110171. The next prime is 121013110223. The reversal of 121013110210 is 12011310121.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 3721090 + ... + 3753469.

It is an arithmetic number, because the mean of its divisors is an integer number (13622385600).

Almost surely, 2^121013110210 is an apocalyptic number.

121013110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121013110210 is a deficient number, since it is larger than the sum of its proper divisors (96945059390).

121013110210 is a wasteful number, since it uses less digits than its factorization.

121013110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7476185.

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

Adding to 121013110210 its reverse (12011310121), we get a palindrome (133024420331).

The spelling of 121013110210 in words is "one hundred twenty-one billion, thirteen million, one hundred ten thousand, two hundred ten".