1002022121982 has 16 divisors (see below), whose sum is σ = 2290336278912. Its totient is φ = 286292034840.

The previous prime is 1002022121977. The next prime is 1002022121987. The reversal of 1002022121982 is 2891212202001.

It is an interprime number because it is at equal distance from previous prime (1002022121977) and next prime (1002022121987).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002022121987) 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, 11928834744 + ... + 11928834827.

It is an arithmetic number, because the mean of its divisors is an integer number (143146017432).

Almost surely, 2^{1002022121982} is an apocalyptic number.

1002022121982 is an abundant number, since it is smaller than the sum of its proper divisors (1288314156930).

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

1002022121982 is a wasteful number, since it uses less digits than its factorization.

1002022121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23857669583.

The product of its (nonzero) digits is 2304, while the sum is 30.

Adding to 1002022121982 its reverse (2891212202001), we get a palindrome (3893234323983).

The spelling of 1002022121982 in words is "one trillion, two billion, twenty-two million, one hundred twenty-one thousand, nine hundred eighty-two".