120122121101 has 2 divisors, whose sum is σ = 120122121102. Its totient is φ = 120122121100.

The previous prime is 120122121047. The next prime is 120122121113. The reversal of 120122121101 is 101121221021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109081575625 + 11040545476 = 330275^2 + 105074^2 .

It is a cyclic number.

It is not a de Polignac number, because 120122121101 - 2⁶ = 120122121037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120122121121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60061060550 + 60061060551.

It is an arithmetic number, because the mean of its divisors is an integer number (60061060551).

Almost surely, 2^120122121101 is an apocalyptic number.

It is an amenable number.

120122121101 is a deficient number, since it is larger than the sum of its proper divisors (1).

120122121101 is an equidigital number, since it uses as much as digits as its factorization.

120122121101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 120122121101 its reverse (101121221021), we get a palindrome (221243342122).

It can be divided in two parts, 120 and 122121101, that added together give a palindrome (122121221).

The spelling of 120122121101 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred one".