102211111201201 has 4 divisors (see below), whose sum is σ = 108223529507172. Its totient is φ = 96198692895232.

The previous prime is 102211111201193. The next prime is 102211111201219. The reversal of 102211111201201 is 102102111112201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 96051779961201 + 6159331240000 = 9800601^2 + 2481800^2 .

It is not a de Polignac number, because 102211111201201 - 2³ = 102211111201193 is a prime.

It is a super-2 number, since 2×102211111201201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102211111201231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006209152960 + ... + 3006209152993.

It is an arithmetic number, because the mean of its divisors is an integer number (27055882376793).

Almost surely, 2^{102211111201201} is an apocalyptic number.

It is an amenable number.

102211111201201 is a deficient number, since it is larger than the sum of its proper divisors (6012418305971).

102211111201201 is an equidigital number, since it uses as much as digits as its factorization.

102211111201201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012418305970.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 102211111201201 its reverse (102102111112201), we get a palindrome (204313222313402).

The spelling of 102211111201201 in words is "one hundred two trillion, two hundred eleven billion, one hundred eleven million, two hundred one thousand, two hundred one".