210000121122 has 32 divisors (see below), whose sum is σ = 465020630784. Its totient is φ = 62686602000.

The previous prime is 210000121109. The next prime is 210000121141. The reversal of 210000121122 is 221121000012.

210000121122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 210000121098 and 210000121107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23740504 + ... + 23749347.

It is an arithmetic number, because the mean of its divisors is an integer number (14531894712).

Almost surely, 2^210000121122 is an apocalyptic number.

210000121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

210000121122 is an abundant number, since it is smaller than the sum of its proper divisors (255020509662).

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

210000121122 is a wasteful number, since it uses less digits than its factorization.

210000121122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47489934.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210000121122 its reverse (221121000012), we get a palindrome (431121121134).

The spelling of 210000121122 in words is "two hundred ten billion, one hundred twenty-one thousand, one hundred twenty-two".