102222021121111 has 16 divisors (see below), whose sum is σ = 105196546990080. Its totient is φ = 99290472945120.

The previous prime is 102222021121043. The next prime is 102222021121151. The reversal of 102222021121111 is 111121120222201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102222021121111 - 2¹¹ = 102222021119063 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 (102222021121151) 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, 6827346 + ... + 15844768.

It is an arithmetic number, because the mean of its divisors is an integer number (6574784186880).

Almost surely, 2^{102222021121111} is an apocalyptic number.

102222021121111 is a deficient number, since it is larger than the sum of its proper divisors (2974525868969).

102222021121111 is an equidigital number, since it uses as much as digits as its factorization.

102222021121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019806.

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

Adding to 102222021121111 its reverse (111121120222201), we get a palindrome (213343141343312).

The spelling of 102222021121111 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, one hundred twenty-one thousand, one hundred eleven".