102211201111 has 8 divisors (see below), whose sum is σ = 104593833344. Its totient is φ = 99828824760.

The previous prime is 102211201109. The next prime is 102211201117. The reversal of 102211201111 is 111102112201.

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 102211201111 - 2¹ = 102211201109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102211201091 and 102211201100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211201117) 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, 917716 + ... + 1023046.

It is an arithmetic number, because the mean of its divisors is an integer number (13074229168).

Almost surely, 2^102211201111 is an apocalyptic number.

102211201111 is a deficient number, since it is larger than the sum of its proper divisors (2382632233).

102211201111 is a wasteful number, since it uses less digits than its factorization.

102211201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127941.

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

Adding to 102211201111 its reverse (111102112201), we get a palindrome (213313313312).

The spelling of 102211201111 in words is "one hundred two billion, two hundred eleven million, two hundred one thousand, one hundred eleven".