201211020201982 has 16 divisors (see below), whose sum is σ = 344933416713312. Its totient is φ = 86233234566240.

The previous prime is 201211020201973. The next prime is 201211020202037. The reversal of 201211020201982 is 289102020112102.

It is a congruent number.

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, 20371632 + ... + 28590652.

It is an arithmetic number, because the mean of its divisors is an integer number (21558338544582).

Almost surely, 2^{201211020201982} is an apocalyptic number.

201211020201982 is a deficient number, since it is larger than the sum of its proper divisors (143722396511330).

201211020201982 is a wasteful number, since it uses less digits than its factorization.

201211020201982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9967683.

The product of its (nonzero) digits is 2304, while the sum is 31.

The spelling of 201211020201982 in words is "two hundred one trillion, two hundred eleven billion, twenty million, two hundred one thousand, nine hundred eighty-two".