121133101 has 2 divisors, whose sum is σ = 121133102. Its totient is φ = 121133100.

The previous prime is 121133081. The next prime is 121133123. The reversal of 121133101 is 101331121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119377476 + 1755625 = 10926^2 + 1325^2 .

It is a cyclic number.

It is not a de Polignac number, because 121133101 - 2⁵ = 121133069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121133141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566550 + 60566551.

It is an arithmetic number, because the mean of its divisors is an integer number (60566551).

Almost surely, 2^121133101 is an apocalyptic number.

It is an amenable number.

121133101 is a deficient number, since it is larger than the sum of its proper divisors (1).

121133101 is an equidigital number, since it uses as much as digits as its factorization.

121133101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 121133101 is about 11006.0483825940. The cubic root of 121133101 is about 494.7900357692.

Adding to 121133101 its reverse (101331121), we get a palindrome (222464222).

The spelling of 121133101 in words is "one hundred twenty-one million, one hundred thirty-three thousand, one hundred one".