121121103010 has 16 divisors (see below), whose sum is σ = 219461815872. Its totient is φ = 48127590000.

The previous prime is 121121102983. The next prime is 121121103013. The reversal of 121121103010 is 10301121121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121121103013) by changing a digit.

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, 40104816 + ... + 40107835.

It is an arithmetic number, because the mean of its divisors is an integer number (13716363492).

Almost surely, 2^121121103010 is an apocalyptic number.

121121103010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121121103010 is a deficient number, since it is larger than the sum of its proper divisors (98340712862).

121121103010 is a wasteful number, since it uses less digits than its factorization.

121121103010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80212809.

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

Adding to 121121103010 its reverse (10301121121), we get a palindrome (131422224131).

The spelling of 121121103010 in words is "one hundred twenty-one billion, one hundred twenty-one million, one hundred three thousand, ten".