102002201000121 has 4 divisors (see below), whose sum is σ = 136002934666832. Its totient is φ = 68001467333412.

The previous prime is 102002201000087. The next prime is 102002201000153. The reversal of 102002201000121 is 121000102200201.

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 not a de Polignac number, because 102002201000121 - 2¹⁴ = 102002200983737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102002201000097 and 102002201000106.

It is not an unprimeable number, because it can be changed into a prime (102002201000621) 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, 17000366833351 + ... + 17000366833356.

It is an arithmetic number, because the mean of its divisors is an integer number (34000733666708).

Almost surely, 2^{102002201000121} is an apocalyptic number.

It is an amenable number.

102002201000121 is a deficient number, since it is larger than the sum of its proper divisors (34000733666711).

102002201000121 is an equidigital number, since it uses as much as digits as its factorization.

102002201000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000733666710.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102002201000121 its reverse (121000102200201), we get a palindrome (223002303200322).

The spelling of 102002201000121 in words is "one hundred two trillion, two billion, two hundred one million, one hundred twenty-one", and thus it is an aban number.