121120302210 has 16 divisors (see below), whose sum is σ = 290688725376. Its totient is φ = 32298747248.

The previous prime is 121120302181. The next prime is 121120302241. The reversal of 121120302210 is 12203021121.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121120302210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018671674 + ... + 2018671733.

It is an arithmetic number, because the mean of its divisors is an integer number (18168045336).

Almost surely, 2^121120302210 is an apocalyptic number.

121120302210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120302210 is an abundant number, since it is smaller than the sum of its proper divisors (169568423166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121120302210 is a wasteful number, since it uses less digits than its factorization.

121120302210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037343417.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 121120302210 its reverse (12203021121), we get a palindrome (133323323331).

The spelling of 121120302210 in words is "one hundred twenty-one billion, one hundred twenty million, three hundred two thousand, two hundred ten".