201102809484378 has 32 divisors (see below), whose sum is σ = 402360159986496. Its totient is φ = 67008514906368.

The previous prime is 201102809484301. The next prime is 201102809484419. The reversal of 201102809484378 is 873484908201102.

It is a Curzon number.

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, 446478450 + ... + 446928642.

It is an arithmetic number, because the mean of its divisors is an integer number (12573754999578).

Almost surely, 2^{201102809484378} is an apocalyptic number.

201102809484378 is an abundant number, since it is smaller than the sum of its proper divisors (201257350502118).

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

201102809484378 is a wasteful number, since it uses less digits than its factorization.

201102809484378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478638.

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 201102809484378 in words is "two hundred one trillion, one hundred two billion, eight hundred nine million, four hundred eighty-four thousand, three hundred seventy-eight".