21022120110002 has 32 divisors (see below), whose sum is σ = 35904448419840. Its totient is φ = 9137768040720.

The previous prime is 21022120109983. The next prime is 21022120110049. The reversal of 21022120110002 is 20001102122012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3163802 + ... + 7214837.

It is an arithmetic number, because the mean of its divisors is an integer number (1122014013120).

Almost surely, 2^{21022120110002} is an apocalyptic number.

21022120110002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21022120110002 is a deficient number, since it is larger than the sum of its proper divisors (14882328309838).

21022120110002 is a wasteful number, since it uses less digits than its factorization.

21022120110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10382678.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21022120110002 its reverse (20001102122012), we get a palindrome (41023222232014).

The spelling of 21022120110002 in words is "twenty-one trillion, twenty-two billion, one hundred twenty million, one hundred ten thousand, two".