201102101988394 has 16 divisors (see below), whose sum is σ = 320218529272200. Its totient is φ = 94393002348544.

The previous prime is 201102101988313. The next prime is 201102101988443. The reversal of 201102101988394 is 493889101201102.

It can be written as a sum of positive squares in 4 ways, for example, as 197662876103169 + 3439225885225 = 14059263^2 + 1854515^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7602515959 + ... + 7602542410.

Almost surely, 2^{201102101988394} is an apocalyptic number.

201102101988394 is a deficient number, since it is larger than the sum of its proper divisors (119116427283806).

201102101988394 is a wasteful number, since it uses less digits than its factorization.

201102101988394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15205058777.

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 201102101988394 in words is "two hundred one trillion, one hundred two billion, one hundred one million, nine hundred eighty-eight thousand, three hundred ninety-four".