2207102181885 has 40 divisors (see below), whose sum is σ = 3957165859680. Its totient is φ = 1176903724896.

The previous prime is 2207102181883. The next prime is 2207102181961. The reversal of 2207102181885 is 5881812017022.

It is not a de Polignac number, because 2207102181885 - 2¹ = 2207102181883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2207102181885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207102181883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1703806 + ... + 2705024.

It is an arithmetic number, because the mean of its divisors is an integer number (98929146492).

Almost surely, 2^{2207102181885} is an apocalyptic number.

It is an amenable number.

2207102181885 is a deficient number, since it is larger than the sum of its proper divisors (1750063677795).

2207102181885 is a wasteful number, since it uses less digits than its factorization.

2207102181885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006679 (or 1006670 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 45.

The spelling of 2207102181885 in words is "two trillion, two hundred seven billion, one hundred two million, one hundred eighty-one thousand, eight hundred eighty-five".