102133112322121 has 4 divisors (see below), whose sum is σ = 102136126110100. Its totient is φ = 102130098534144.

The previous prime is 102133112322097. The next prime is 102133112322133. The reversal of 102133112322121 is 121223211331201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 74877247210896 + 27255865111225 = 8653164^2 + 5220715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102133112322121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102133112320121) 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, 1506843156 + ... + 1506910933.

It is an arithmetic number, because the mean of its divisors is an integer number (25534031527525).

Almost surely, 2^{102133112322121} is an apocalyptic number.

It is an amenable number.

102133112322121 is a deficient number, since it is larger than the sum of its proper divisors (3013787979).

102133112322121 is an equidigital number, since it uses as much as digits as its factorization.

102133112322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013787978.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 102133112322121 its reverse (121223211331201), we get a palindrome (223356323653322).

The spelling of 102133112322121 in words is "one hundred two trillion, one hundred thirty-three billion, one hundred twelve million, three hundred twenty-two thousand, one hundred twenty-one".