121100012233 has 2 divisors, whose sum is σ = 121100012234. Its totient is φ = 121100012232.

The previous prime is 121100012167. The next prime is 121100012237. The reversal of 121100012233 is 332210001121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112824107449 + 8275904784 = 335893^2 + 90972^2 .

It is a cyclic number.

It is not a de Polignac number, because 121100012233 - 2²⁵ = 121066457801 is a prime.

It is not a weakly prime, because it can be changed into another prime (121100012237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550006116 + 60550006117.

It is an arithmetic number, because the mean of its divisors is an integer number (60550006117).

Almost surely, 2^121100012233 is an apocalyptic number.

It is an amenable number.

121100012233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121100012233 is an equidigital number, since it uses as much as digits as its factorization.

121100012233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121100012233 its reverse (332210001121), we get a palindrome (453310013354).

The spelling of 121100012233 in words is "one hundred twenty-one billion, one hundred million, twelve thousand, two hundred thirty-three".