2111300020009 has 2 divisors, whose sum is σ = 2111300020010. Its totient is φ = 2111300020008.

The previous prime is 2111300019947. The next prime is 2111300020033. The reversal of 2111300020009 is 9000200031112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1523360720025 + 587939299984 = 1234245^2 + 766772^2 .

It is a cyclic number.

It is not a de Polignac number, because 2111300020009 - 2¹⁵ = 2111299987241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2111300029009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055650010004 + 1055650010005.

It is an arithmetic number, because the mean of its divisors is an integer number (1055650010005).

Almost surely, 2^{2111300020009} is an apocalyptic number.

It is an amenable number.

2111300020009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111300020009 is an equidigital number, since it uses as much as digits as its factorization.

2111300020009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The spelling of 2111300020009 in words is "two trillion, one hundred eleven billion, three hundred million, twenty thousand, nine".