210011121001122 has 128 divisors (see below), whose sum is σ = 495468573401088. Its totient is φ = 58096698163200.

The previous prime is 210011121000997. The next prime is 210011121001229. The reversal of 210011121001122 is 221100121110012.

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 63 ways as a sum of consecutive naturals, for example, 119056593 + ... + 120807675.

It is an arithmetic number, because the mean of its divisors is an integer number (3870848229696).

Almost surely, 2^{210011121001122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210011121001122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247734286700544).

210011121001122 is an abundant number, since it is smaller than the sum of its proper divisors (285457452399966).

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

210011121001122 is a wasteful number, since it uses less digits than its factorization.

210011121001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751664.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 210011121001122 its reverse (221100121110012), we get a palindrome (431111242111134).

The spelling of 210011121001122 in words is "two hundred ten trillion, eleven billion, one hundred twenty-one million, one thousand, one hundred twenty-two".