102121122202201 has 16 divisors (see below), whose sum is σ = 107606171059200. Its totient is φ = 96647136163200.

The previous prime is 102121122202199. The next prime is 102121122202237. The reversal of 102121122202201 is 102202221121201.

It is a cyclic number.

It is not a de Polignac number, because 102121122202201 - 2¹ = 102121122202199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121122202301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97959816 + ... + 98996806.

It is an arithmetic number, because the mean of its divisors is an integer number (6725385691200).

Almost surely, 2^{102121122202201} is an apocalyptic number.

It is an amenable number.

102121122202201 is a deficient number, since it is larger than the sum of its proper divisors (5485048856999).

102121122202201 is a wasteful number, since it uses less digits than its factorization.

102121122202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042320.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102121122202201 its reverse (102202221121201), we get a palindrome (204323343323402).

The spelling of 102121122202201 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred one".