2110192121 has 2 divisors, whose sum is σ = 2110192122. Its totient is φ = 2110192120.

The previous prime is 2110192069. The next prime is 2110192169. The reversal of 2110192121 is 1212910112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1377894400 + 732297721 = 37120^2 + 27061^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110192121 - 2³⁰ = 1036450297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2110192093 and 2110192102.

It is not a weakly prime, because it can be changed into another prime (2110192321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055096060 + 1055096061.

It is an arithmetic number, because the mean of its divisors is an integer number (1055096061).

Almost surely, 2^2110192121 is an apocalyptic number.

It is an amenable number.

2110192121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110192121 is an equidigital number, since it uses as much as digits as its factorization.

2110192121 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 20.

The square root of 2110192121 is about 45936.8275025605. The cubic root of 2110192121 is about 1282.6475394888.

The spelling of 2110192121 in words is "two billion, one hundred ten million, one hundred ninety-two thousand, one hundred twenty-one".