211010212122 has 32 divisors (see below), whose sum is σ = 456238305600. Its totient is φ = 64833861888.

The previous prime is 211010212109. The next prime is 211010212151. The reversal of 211010212122 is 221212010112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25008847 + ... + 25017282.

It is an arithmetic number, because the mean of its divisors is an integer number (14257447050).

Almost surely, 2^211010212122 is an apocalyptic number.

211010212122 is an abundant number, since it is smaller than the sum of its proper divisors (245228093478).

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

211010212122 is a wasteful number, since it uses less digits than its factorization.

211010212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50026190.

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

Adding to 211010212122 its reverse (221212010112), we get a palindrome (432222222234).

The spelling of 211010212122 in words is "two hundred eleven billion, ten million, two hundred twelve thousand, one hundred twenty-two".