2011012101982 has 16 divisors (see below), whose sum is σ = 3278918370672. Its totient is φ = 919485043200.

The previous prime is 2011012101961. The next prime is 2011012101991. The reversal of 2011012101982 is 2891012101102.

It is a self number, because there is not a number n which added to its sum of digits gives 2011012101982.

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, 361430019 + ... + 361435582.

It is an arithmetic number, because the mean of its divisors is an integer number (204932398167).

Almost surely, 2^{2011012101982} is an apocalyptic number.

2011012101982 is a deficient number, since it is larger than the sum of its proper divisors (1267906268690).

2011012101982 is a wasteful number, since it uses less digits than its factorization.

2011012101982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722865723.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 2011012101982 in words is "two trillion, eleven billion, twelve million, one hundred one thousand, nine hundred eighty-two".