2102023020009 has 32 divisors (see below), whose sum is σ = 3091779250560. Its totient is φ = 1259698176000.

The previous prime is 2102023020007. The next prime is 2102023020011. The reversal of 2102023020009 is 9000203202012.

It is an interprime number because it is at equal distance from previous prime (2102023020007) and next prime (2102023020011).

It is not a de Polignac number, because 2102023020009 - 2¹ = 2102023020007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102023020007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2153019 + ... + 2973135.

It is an arithmetic number, because the mean of its divisors is an integer number (96618101580).

Almost surely, 2^{2102023020009} is an apocalyptic number.

It is an amenable number.

2102023020009 is a deficient number, since it is larger than the sum of its proper divisors (989756230551).

2102023020009 is a wasteful number, since it uses less digits than its factorization.

2102023020009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821001.

The product of its (nonzero) digits is 432, while the sum is 21.

The spelling of 2102023020009 in words is "two trillion, one hundred two billion, twenty-three million, twenty thousand, nine".