211222211012102 has 16 divisors (see below), whose sum is σ = 317790314483712. Its totient is φ = 105292275916680.

The previous prime is 211222211012101. The next prime is 211222211012119. The reversal of 211222211012102 is 201210112222112.

It is a super-2 number, since 2×211222211012102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222211012101) 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 7 ways as a sum of consecutive naturals, for example, 39942248 + ... + 44920235.

It is an arithmetic number, because the mean of its divisors is an integer number (19861894655232).

Almost surely, 2^{211222211012102} is an apocalyptic number.

211222211012102 is a deficient number, since it is larger than the sum of its proper divisors (106568103471610).

211222211012102 is a wasteful number, since it uses less digits than its factorization.

211222211012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84866243.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211222211012102 its reverse (201210112222112), we get a palindrome (412432323234214).

The spelling of 211222211012102 in words is "two hundred eleven trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, one hundred two".