102100200022121 has 8 divisors (see below), whose sum is σ = 116687637062400. Its totient is φ = 87513186526848.

The previous prime is 102100200022081. The next prime is 102100200022141. The reversal of 102100200022121 is 121220002001201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102100200022121 - 2¹⁰ = 102100200021097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100200022096 and 102100200022105.

It is not an unprimeable number, because it can be changed into a prime (102100200022141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105369521 + ... + 106334078.

It is an arithmetic number, because the mean of its divisors is an integer number (14585954632800).

Almost surely, 2^{102100200022121} is an apocalyptic number.

It is an amenable number.

102100200022121 is a deficient number, since it is larger than the sum of its proper divisors (14587437040279).

102100200022121 is an equidigital number, since it uses as much as digits as its factorization.

102100200022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211772503.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102100200022121 its reverse (121220002001201), we get a palindrome (223320202023322).

The spelling of 102100200022121 in words is "one hundred two trillion, one hundred billion, two hundred million, twenty-two thousand, one hundred twenty-one".