102121310233 has 4 divisors (see below), whose sum is σ = 102216841060. Its totient is φ = 102025779408.

The previous prime is 102121310201. The next prime is 102121310251. The reversal of 102121310233 is 332013121201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 332013121201 = 155581 ⋅2134021.

It can be written as a sum of positive squares in 2 ways, for example, as 29648362969 + 72472947264 = 172187^2 + 269208^2 .

It is a cyclic number.

It is not a de Polignac number, because 102121310233 - 2⁵ = 102121310201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102121310233.

It is not an unprimeable number, because it can be changed into a prime (102121310033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47763810 + ... + 47765947.

It is an arithmetic number, because the mean of its divisors is an integer number (25554210265).

Almost surely, 2^102121310233 is an apocalyptic number.

It is an amenable number.

102121310233 is a deficient number, since it is larger than the sum of its proper divisors (95530827).

102121310233 is an equidigital number, since it uses as much as digits as its factorization.

102121310233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95530826.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102121310233 its reverse (332013121201), we get a palindrome (434134431434).

The spelling of 102121310233 in words is "one hundred two billion, one hundred twenty-one million, three hundred ten thousand, two hundred thirty-three".