211010121222 has 32 divisors (see below), whose sum is σ = 422664311520. Its totient is φ = 70229418240.

The previous prime is 211010121191. The next prime is 211010121253. The reversal of 211010121222 is 222121010112.

It is an interprime number because it is at equal distance from previous prime (211010121191) and next prime (211010121253).

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 28631154 + ... + 28638522.

It is an arithmetic number, because the mean of its divisors is an integer number (13208259735).

Almost surely, 2^211010121222 is an apocalyptic number.

211010121222 is an abundant number, since it is smaller than the sum of its proper divisors (211654190298).

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

211010121222 is a wasteful number, since it uses less digits than its factorization.

211010121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14008.

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

Adding to 211010121222 its reverse (222121010112), we get a palindrome (433131131334).

The spelling of 211010121222 in words is "two hundred eleven billion, ten million, one hundred twenty-one thousand, two hundred twenty-two".