102212122211111 has 8 divisors (see below), whose sum is σ = 112608134642448. Its totient is φ = 92000110000000.

The previous prime is 102212122211047. The next prime is 102212122211123. The reversal of 102212122211111 is 111112221212201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102212122211111 - 2⁶ = 102212122211047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212122211131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46000053890 + ... + 46000056111.

It is an arithmetic number, because the mean of its divisors is an integer number (14076016830306).

Almost surely, 2^{102212122211111} is an apocalyptic number.

102212122211111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102212122211111 is a deficient number, since it is larger than the sum of its proper divisors (10396012431337).

102212122211111 is a wasteful number, since it uses less digits than its factorization.

102212122211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92000110113.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 102212122211111 its reverse (111112221212201), we get a palindrome (213324343423312).

It can be divided in two parts, 1022121 and 22211111, that added together give a palindrome (23233232).

The spelling of 102212122211111 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred eleven".