100212222111211 has 16 divisors (see below), whose sum is σ = 116290952640000. Its totient is φ = 84578095038528.

The previous prime is 100212222111181. The next prime is 100212222111227. The reversal of 100212222111211 is 112111222212001.

It is a happy number.

It is not a de Polignac number, because 100212222111211 - 2¹⁵ = 100212222078443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100212202111211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163391761 + ... + 164003938.

It is an arithmetic number, because the mean of its divisors is an integer number (7268184540000).

Almost surely, 2^{100212222111211} is an apocalyptic number.

100212222111211 is a deficient number, since it is larger than the sum of its proper divisors (16078730528789).

100212222111211 is an equidigital number, since it uses as much as digits as its factorization.

100212222111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327396378.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100212222111211 its reverse (112111222212001), we get a palindrome (212323444323212).

The spelling of 100212222111211 in words is "one hundred trillion, two hundred twelve billion, two hundred twenty-two million, one hundred eleven thousand, two hundred eleven".