21034020010982 has 32 divisors (see below), whose sum is σ = 35070746766624. Its totient is φ = 9379983059200.

The previous prime is 21034020010981. The next prime is 21034020011033. The reversal of 21034020010982 is 28901002043012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034020010981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20077232 + ... + 21098892.

It is an arithmetic number, because the mean of its divisors is an integer number (1095960836457).

Almost surely, 2^{21034020010982} is an apocalyptic number.

21034020010982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21034020010982 is a deficient number, since it is larger than the sum of its proper divisors (14036726755642).

21034020010982 is a wasteful number, since it uses less digits than its factorization.

21034020010982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039384.

The product of its (nonzero) digits is 6912, while the sum is 32.

Adding to 21034020010982 its reverse (28901002043012), we get a palindrome (49935022053994).

The spelling of 21034020010982 in words is "twenty-one trillion, thirty-four billion, twenty million, ten thousand, nine hundred eighty-two".