2121202210019 has 2 divisors, whose sum is σ = 2121202210020. Its totient is φ = 2121202210018.

The previous prime is 2121202209991. The next prime is 2121202210027. The reversal of 2121202210019 is 9100122021212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2121202210019 - 2²⁸ = 2120933774563 is a prime.

It is a super-2 number, since 2×2121202210019² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121202209976 and 2121202210003.

It is not a weakly prime, because it can be changed into another prime (2121202260019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060601105009 + 1060601105010.

It is an arithmetic number, because the mean of its divisors is an integer number (1060601105010).

Almost surely, 2^{2121202210019} is an apocalyptic number.

2121202210019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121202210019 is an equidigital number, since it uses as much as digits as its factorization.

2121202210019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 2121202210019 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred ten thousand, nineteen".