21022010100111 has 8 divisors (see below), whose sum is σ = 28029663894960. Its totient is φ = 14014514852672.

The previous prime is 21022010100083. The next prime is 21022010100149. The reversal of 21022010100111 is 11100101022012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21022010100111 - 2⁵ = 21022010100079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022010100911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39327126 + ... + 39858083.

It is an arithmetic number, because the mean of its divisors is an integer number (3503707986870).

Almost surely, 2^{21022010100111} is an apocalyptic number.

21022010100111 is a deficient number, since it is larger than the sum of its proper divisors (7007653794849).

21022010100111 is an equidigital number, since it uses as much as digits as its factorization.

21022010100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79273705.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 21022010100111 its reverse (11100101022012), we get a palindrome (32122111122123).

The spelling of 21022010100111 in words is "twenty-one trillion, twenty-two billion, ten million, one hundred thousand, one hundred eleven".