211220122211202 has 32 divisors (see below), whose sum is σ = 462393609289920. Its totient is φ = 63925383769920.

The previous prime is 211220122211129. The next prime is 211220122211207. The reversal of 211220122211202 is 202112221022112.

It is a super-2 number, since 2×211220122211202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220122211207) by changing a digit.

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, 22196309052 + ... + 22196318567.

It is an arithmetic number, because the mean of its divisors is an integer number (14449800290310).

Almost surely, 2^{211220122211202} is an apocalyptic number.

211220122211202 is an abundant number, since it is smaller than the sum of its proper divisors (251173487078718).

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

211220122211202 is a wasteful number, since it uses less digits than its factorization.

211220122211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44392627698.

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

Adding to 211220122211202 its reverse (202112221022112), we get a palindrome (413332343233314).

The spelling of 211220122211202 in words is "two hundred eleven trillion, two hundred twenty billion, one hundred twenty-two million, two hundred eleven thousand, two hundred two".