102221101200121 has 4 divisors (see below), whose sum is σ = 102304683459072. Its totient is φ = 102137518941172.

The previous prime is 102221101200103. The next prime is 102221101200131. The reversal of 102221101200121 is 121002101122201.

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 a de Polignac number, because none of the positive numbers 2^k-102221101200121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102221101200095 and 102221101200104.

It is not an unprimeable number, because it can be changed into a prime (102221101200131) 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, 41791127641 + ... + 41791130086.

It is an arithmetic number, because the mean of its divisors is an integer number (25576170864768).

Almost surely, 2^{102221101200121} is an apocalyptic number.

It is an amenable number.

102221101200121 is a deficient number, since it is larger than the sum of its proper divisors (83582258951).

102221101200121 is an equidigital number, since it uses as much as digits as its factorization.

102221101200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83582258950.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102221101200121 its reverse (121002101122201), we get a palindrome (223223202322322).

The spelling of 102221101200121 in words is "one hundred two trillion, two hundred twenty-one billion, one hundred one million, two hundred thousand, one hundred twenty-one".