102121002010201 has 4 divisors (see below), whose sum is σ = 102124942041600. Its totient is φ = 102117061978804.

The previous prime is 102121002010141. The next prime is 102121002010241. The reversal of 102121002010201 is 102010200121201.

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 102121002010201 - 2¹³ = 102121002002009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102121002010241) 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, 1969976821 + ... + 1970028658.

It is an arithmetic number, because the mean of its divisors is an integer number (25531235510400).

Almost surely, 2^{102121002010201} is an apocalyptic number.

It is an amenable number.

102121002010201 is a deficient number, since it is larger than the sum of its proper divisors (3940031399).

102121002010201 is an equidigital number, since it uses as much as digits as its factorization.

102121002010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940031398.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102121002010201 its reverse (102010200121201), we get a palindrome (204131202131402).

The spelling of 102121002010201 in words is "one hundred two trillion, one hundred twenty-one billion, two million, ten thousand, two hundred one".