2101012000018 has 16 divisors (see below), whose sum is σ = 3163216176576. Its totient is φ = 1046610979920.

The previous prime is 2101012000007. The next prime is 2101012000019. The reversal of 2101012000018 is 8100002101012.

It is a junction number, because it is equal to n+sod(n) for n = 2101011999965 and 2101012000010.

It is not an unprimeable number, because it can be changed into a prime (2101012000019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130246 + ... + 2054017.

It is an arithmetic number, because the mean of its divisors is an integer number (197701011036).

Almost surely, 2^{2101012000018} is an apocalyptic number.

2101012000018 is a deficient number, since it is larger than the sum of its proper divisors (1062204176558).

2101012000018 is a wasteful number, since it uses less digits than its factorization.

2101012000018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186049.

The product of its (nonzero) digits is 32, while the sum is 16.

The spelling of 2101012000018 in words is "two trillion, one hundred one billion, twelve million, eighteen", and thus it is an aban number.