102002211222001 has 4 divisors (see below), whose sum is σ = 102038601596272. Its totient is φ = 101965820847732.

The previous prime is 102002211221971. The next prime is 102002211222007. The reversal of 102002211222001 is 100222112200201.

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 102002211222001 - 2⁴³ = 93206118199793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102002211222007) 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, 18195182931 + ... + 18195188536.

It is an arithmetic number, because the mean of its divisors is an integer number (25509650399068).

Almost surely, 2^{102002211222001} is an apocalyptic number.

It is an amenable number.

102002211222001 is a deficient number, since it is larger than the sum of its proper divisors (36390374271).

102002211222001 is an equidigital number, since it uses as much as digits as its factorization.

102002211222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36390374270.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102002211222001 its reverse (100222112200201), we get a palindrome (202224323422202).

The spelling of 102002211222001 in words is "one hundred two trillion, two billion, two hundred eleven million, two hundred twenty-two thousand, one".