102100002120201 has 16 divisors (see below), whose sum is σ = 137481692001408. Its totient is φ = 67392495072000.

The previous prime is 102100002120199. The next prime is 102100002120209. The reversal of 102100002120201 is 102021200001201.

It is not a de Polignac number, because 102100002120201 - 2¹ = 102100002120199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102100002120209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125007985 + ... + 125822081.

It is an arithmetic number, because the mean of its divisors is an integer number (8592605750088).

Almost surely, 2^{102100002120201} is an apocalyptic number.

It is an amenable number.

102100002120201 is a deficient number, since it is larger than the sum of its proper divisors (35381689881207).

102100002120201 is a wasteful number, since it uses less digits than its factorization.

102100002120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228112.

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

Adding to 102100002120201 its reverse (102021200001201), we get a palindrome (204121202121402).

The spelling of 102100002120201 in words is "one hundred two trillion, one hundred billion, two million, one hundred twenty thousand, two hundred one".