21022333101 has 48 divisors (see below), whose sum is σ = 38663958528. Its totient is φ = 10688320800.

The previous prime is 21022333091. The next prime is 21022333117. The reversal of 21022333101 is 10133322012.

21022333101 is a `hidden beast` number, since 210 + 22 + 333 + 101 = 666.

It is not a de Polignac number, because 21022333101 - 2⁶ = 21022333037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022333141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 290145 + ... + 355286.

It is an arithmetic number, because the mean of its divisors is an integer number (805499136).

Almost surely, 2^21022333101 is an apocalyptic number.

21022333101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21022333101 is a deficient number, since it is larger than the sum of its proper divisors (17641625427).

21022333101 is a wasteful number, since it uses less digits than its factorization.

21022333101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645502 (or 645499 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 21022333101 its reverse (10133322012), we get a palindrome (31155655113).

The spelling of 21022333101 in words is "twenty-one billion, twenty-two million, three hundred thirty-three thousand, one hundred one".