211121122002 has 64 divisors (see below), whose sum is σ = 492956319744. Its totient is φ = 59021760960.

The previous prime is 211121121989. The next prime is 211121122007. The reversal of 211121122002 is 200221121112.

211121122002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211121122007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 9272352 + ... + 9295092.

It is an arithmetic number, because the mean of its divisors is an integer number (7702442496).

Almost surely, 2^211121122002 is an apocalyptic number.

211121122002 is an abundant number, since it is smaller than the sum of its proper divisors (281835197742).

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

211121122002 is a wasteful number, since it uses less digits than its factorization.

211121122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27503.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211121122002 its reverse (200221121112), we get a palindrome (411342243114).

The spelling of 211121122002 in words is "two hundred eleven billion, one hundred twenty-one million, one hundred twenty-two thousand, two".