102100102021201 has 32 divisors (see below), whose sum is σ = 110831456832768. Its totient is φ = 93805051253760.

The previous prime is 102100102021199. The next prime is 102100102021223. The reversal of 102100102021201 is 102120201001201.

It is not a de Polignac number, because 102100102021201 - 2¹ = 102100102021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102100102021261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37011930 + ... + 39674716.

It is an arithmetic number, because the mean of its divisors is an integer number (3463483026024).

Almost surely, 2^{102100102021201} is an apocalyptic number.

It is an amenable number.

102100102021201 is a deficient number, since it is larger than the sum of its proper divisors (8731354811567).

102100102021201 is a wasteful number, since it uses less digits than its factorization.

102100102021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663481.

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

Adding to 102100102021201 its reverse (102120201001201), we get a palindrome (204220303022402).

The spelling of 102100102021201 in words is "one hundred two trillion, one hundred billion, one hundred two million, twenty-one thousand, two hundred one".