102102211101201 has 4 divisors (see below), whose sum is σ = 136136281468272. Its totient is φ = 68068140734132.

The previous prime is 102102211101197. The next prime is 102102211101203. The reversal of 102102211101201 is 102101112201201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102102211101201 - 2² = 102102211101197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102102211101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17017035183531 + ... + 17017035183536.

It is an arithmetic number, because the mean of its divisors is an integer number (34034070367068).

Almost surely, 2^{102102211101201} is an apocalyptic number.

It is an amenable number.

102102211101201 is a deficient number, since it is larger than the sum of its proper divisors (34034070367071).

102102211101201 is an equidigital number, since it uses as much as digits as its factorization.

102102211101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34034070367070.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102102211101201 its reverse (102101112201201), we get a palindrome (204203323302402).

The spelling of 102102211101201 in words is "one hundred two trillion, one hundred two billion, two hundred eleven million, one hundred one thousand, two hundred one".