102011121213233 has 4 divisors (see below), whose sum is σ = 102011142553188. Its totient is φ = 102011099873280.

The previous prime is 102011121213173. The next prime is 102011121213259. The reversal of 102011121213233 is 332312121110201.

It is a happy number.

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 26273907652864 + 75737213560369 = 5125808^2 + 8702713^2 .

It is a cyclic number.

It is not a de Polignac number, because 102011121213233 - 2⁴⁴ = 84418935168817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102011121213199 and 102011121213208.

It is not an unprimeable number, because it can be changed into a prime (102011121213283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174185 + ... + 14284697.

It is an arithmetic number, because the mean of its divisors is an integer number (25502785638297).

Almost surely, 2^{102011121213233} is an apocalyptic number.

It is an amenable number.

102011121213233 is a deficient number, since it is larger than the sum of its proper divisors (21339955).

102011121213233 is an equidigital number, since it uses as much as digits as its factorization.

102011121213233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21339954.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 102011121213233 its reverse (332312121110201), we get a palindrome (434323242323434).

The spelling of 102011121213233 in words is "one hundred two trillion, eleven billion, one hundred twenty-one million, two hundred thirteen thousand, two hundred thirty-three".