102202201100121 has 4 divisors (see below), whose sum is σ = 136269601466832. Its totient is φ = 68134800733412.

The previous prime is 102202201100119. The next prime is 102202201100191. The reversal of 102202201100121 is 121001102202201.

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 102202201100121 - 2¹ = 102202201100119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102202201100121.

It is not an unprimeable number, because it can be changed into a prime (102202201100191) 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, 17033700183351 + ... + 17033700183356.

It is an arithmetic number, because the mean of its divisors is an integer number (34067400366708).

Almost surely, 2^{102202201100121} is an apocalyptic number.

It is an amenable number.

102202201100121 is a deficient number, since it is larger than the sum of its proper divisors (34067400366711).

102202201100121 is an equidigital number, since it uses as much as digits as its factorization.

102202201100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34067400366710.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102202201100121 its reverse (121001102202201), we get a palindrome (223203303302322).

The spelling of 102202201100121 in words is "one hundred two trillion, two hundred two billion, two hundred one million, one hundred thousand, one hundred twenty-one".