2100209809602 has 32 divisors (see below), whose sum is σ = 4460939763264. Its totient is φ = 656898739200.

The previous prime is 2100209809597. The next prime is 2100209809639. The reversal of 2100209809602 is 2069089020012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31069399 + ... + 31136922.

It is an arithmetic number, because the mean of its divisors is an integer number (139404367602).

Almost surely, 2^{2100209809602} is an apocalyptic number.

2100209809602 is an abundant number, since it is smaller than the sum of its proper divisors (2360729953662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100209809602 is a wasteful number, since it uses less digits than its factorization.

2100209809602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62206674.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 2100209809602 in words is "two trillion, one hundred billion, two hundred nine million, eight hundred nine thousand, six hundred two".