102212011111 has 8 divisors (see below), whose sum is σ = 116976199680. Its totient is φ = 87488440728.

The previous prime is 102212011087. The next prime is 102212011141. The reversal of 102212011111 is 111110212201.

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 a de Polignac number, because none of the positive numbers 2^k-102212011111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102212011091 and 102212011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212011141) 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, 10149151 + ... + 10159216.

It is an arithmetic number, because the mean of its divisors is an integer number (14622024960).

Almost surely, 2^102212011111 is an apocalyptic number.

102212011111 is a deficient number, since it is larger than the sum of its proper divisors (14764188569).

102212011111 is an equidigital number, since it uses as much as digits as its factorization.

102212011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20309093.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102212011111 its reverse (111110212201), we get a palindrome (213322223312).

The spelling of 102212011111 in words is "one hundred two billion, two hundred twelve million, eleven thousand, one hundred eleven".