100120121053 has 2 divisors, whose sum is σ = 100120121054. Its totient is φ = 100120121052.

The previous prime is 100120120963. The next prime is 100120121063. The reversal of 100120121053 is 350121021001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56644952004 + 43475169049 = 238002^2 + 208507^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120121053 - 2¹³ = 100120112861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100120121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060060526 + 50060060527.

It is an arithmetic number, because the mean of its divisors is an integer number (50060060527).

Almost surely, 2^100120121053 is an apocalyptic number.

It is an amenable number.

100120121053 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120121053 is an equidigital number, since it uses as much as digits as its factorization.

100120121053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 100120121053 its reverse (350121021001), we get a palindrome (450241142054).

The spelling of 100120121053 in words is "one hundred billion, one hundred twenty million, one hundred twenty-one thousand, fifty-three".