211222100020202 has 16 divisors (see below), whose sum is σ = 319740542293920. Its totient is φ = 104641923292848.

The previous prime is 211222100020199. The next prime is 211222100020247. The reversal of 211222100020202 is 202020001222112.

It is a happy number.

It is a super-2 number, since 2×211222100020202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170798813 + ... + 172031039.

It is an arithmetic number, because the mean of its divisors is an integer number (19983783893370).

Almost surely, 2^{211222100020202} is an apocalyptic number.

211222100020202 is a deficient number, since it is larger than the sum of its proper divisors (108518442273718).

211222100020202 is a wasteful number, since it uses less digits than its factorization.

211222100020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018645.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 211222100020202 its reverse (202020001222112), we get a palindrome (413242101242314).

The spelling of 211222100020202 in words is "two hundred eleven trillion, two hundred twenty-two billion, one hundred million, twenty thousand, two hundred two".