100119121 has 2 divisors, whose sum is σ = 100119122. Its totient is φ = 100119120.

The previous prime is 100119109. The next prime is 100119163. The reversal of 100119121 is 121911001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64883025 + 35236096 = 8055^2 + 5936^2 .

It is a cyclic number.

It is not a de Polignac number, because 100119121 - 2¹⁵ = 100086353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100119095 and 100119104.

It is not a weakly prime, because it can be changed into another prime (100119221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50059560 + 50059561.

It is an arithmetic number, because the mean of its divisors is an integer number (50059561).

Almost surely, 2^100119121 is an apocalyptic number.

It is an amenable number.

100119121 is a deficient number, since it is larger than the sum of its proper divisors (1).

100119121 is an equidigital number, since it uses as much as digits as its factorization.

100119121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 100119121 is about 10005.9542773291. The cubic root of 100119121 is about 464.3431137961.

The spelling of 100119121 in words is "one hundred million, one hundred nineteen thousand, one hundred twenty-one".