1201110221982 has 16 divisors (see below), whose sum is σ = 2620604120832. Its totient is φ = 363972794520.

The previous prime is 1201110221963. The next prime is 1201110221989. The reversal of 1201110221982 is 2891220111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201110221989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9099319798 + ... + 9099319929.

It is an arithmetic number, because the mean of its divisors is an integer number (163787757552).

Almost surely, 2^{1201110221982} is an apocalyptic number.

1201110221982 is an abundant number, since it is smaller than the sum of its proper divisors (1419493898850).

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

1201110221982 is a wasteful number, since it uses less digits than its factorization.

1201110221982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18198639743.

The product of its (nonzero) digits is 1152, while the sum is 30.

The spelling of 1201110221982 in words is "one trillion, two hundred one billion, one hundred ten million, two hundred twenty-one thousand, nine hundred eighty-two".