2141121019 has 2 divisors, whose sum is σ = 2141121020. Its totient is φ = 2141121018.

The previous prime is 2141121007. The next prime is 2141121043. The reversal of 2141121019 is 9101211412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2141121019 - 2⁵ = 2141120987 is a prime.

It is a super-2 number, since 2×2141121019² = 9168798436007196722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2141122019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070560509 + 1070560510.

It is an arithmetic number, because the mean of its divisors is an integer number (1070560510).

Almost surely, 2^2141121019 is an apocalyptic number.

2141121019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141121019 is an equidigital number, since it uses as much as digits as its factorization.

2141121019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 2141121019 is about 46272.2489079578. The cubic root of 2141121019 is about 1288.8837205420.

The spelling of 2141121019 in words is "two billion, one hundred forty-one million, one hundred twenty-one thousand, nineteen".