121120222210 has 32 divisors (see below), whose sum is σ = 235193947632. Its totient is φ = 44643778560.

The previous prime is 121120222207. The next prime is 121120222243. The reversal of 121120222210 is 12222021121.

It is a happy number.

121120222210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 88870168321 + 32250053889 = 298111^2 + 179583^2 .

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 15 ways as a sum of consecutive naturals, for example, 732351 + ... + 882370.

Almost surely, 2^121120222210 is an apocalyptic number.

121120222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121120222210 is a deficient number, since it is larger than the sum of its proper divisors (114073725422).

121120222210 is a wasteful number, since it uses less digits than its factorization.

121120222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615318.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121120222210 its reverse (12222021121), we get a palindrome (133342243331).

The spelling of 121120222210 in words is "one hundred twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred ten".