2101223039 has 2 divisors, whose sum is σ = 2101223040. Its totient is φ = 2101223038.

The previous prime is 2101223023. The next prime is 2101223071. The reversal of 2101223039 is 9303221012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101223039 - 2⁴ = 2101223023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101223009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050611519 + 1050611520.

It is an arithmetic number, because the mean of its divisors is an integer number (1050611520).

Almost surely, 2^2101223039 is an apocalyptic number.

2101223039 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101223039 is an equidigital number, since it uses as much as digits as its factorization.

2101223039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2101223039 is about 45839.0994566865. The cubic root of 2101223039 is about 1280.8277196397.

The spelling of 2101223039 in words is "two billion, one hundred one million, two hundred twenty-three thousand, thirty-nine".