211202021212122 has 8 divisors (see below), whose sum is σ = 422404042424256. Its totient is φ = 70400673737372.

The previous prime is 211202021212037. The next prime is 211202021212153. The reversal of 211202021212122 is 221212120202112.

It is a sphenic number, since it is the product of 3 distinct primes.

211202021212122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17600168434338 + ... + 17600168434349.

It is an arithmetic number, because the mean of its divisors is an integer number (52800505303032).

Almost surely, 2^{211202021212122} is an apocalyptic number.

211202021212122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

211202021212122 is a wasteful number, since it uses less digits than its factorization.

211202021212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35200336868692.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 211202021212122 its reverse (221212120202112), we get a palindrome (432414141414234).

The spelling of 211202021212122 in words is "two hundred eleven trillion, two hundred two billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".