121023110021833 has 2 divisors, whose sum is σ = 121023110021834. Its totient is φ = 121023110021832.

The previous prime is 121023110021831. The next prime is 121023110021873. The reversal of 121023110021833 is 338120011320121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117314200244224 + 3708909777609 = 10831168^2 + 1925853^2 .

It is a cyclic number.

It is not a de Polignac number, because 121023110021833 - 2¹ = 121023110021831 is a prime.

Together with 121023110021831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121023110021831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511555010916 + 60511555010917.

It is an arithmetic number, because the mean of its divisors is an integer number (60511555010917).

Almost surely, 2^{121023110021833} is an apocalyptic number.

It is an amenable number.

121023110021833 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023110021833 is an equidigital number, since it uses as much as digits as its factorization.

121023110021833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 121023110021833 its reverse (338120011320121), we get a palindrome (459143121341954).

The spelling of 121023110021833 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred ten million, twenty-one thousand, eight hundred thirty-three".