211201002122 has 16 divisors (see below), whose sum is σ = 345616487712. Its totient is φ = 95996331120.

The previous prime is 211201002113. The next prime is 211201002179. The reversal of 211201002122 is 221200102112.

It is a junction number, because it is equal to n+sod(n) for n = 211201002097 and 211201002106.

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 7 ways as a sum of consecutive naturals, for example, 350948 + ... + 738624.

It is an arithmetic number, because the mean of its divisors is an integer number (21601030482).

Almost surely, 2^211201002122 is an apocalyptic number.

211201002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211201002122 is a deficient number, since it is larger than the sum of its proper divisors (134415485590).

211201002122 is a wasteful number, since it uses less digits than its factorization.

211201002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412453.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211201002122 its reverse (221200102112), we get a palindrome (432401104234).

The spelling of 211201002122 in words is "two hundred eleven billion, two hundred one million, two thousand, one hundred twenty-two".