21022122201098 has 16 divisors (see below), whose sum is σ = 33388807638024. Its totient is φ = 9892546736640.

The previous prime is 21022122201097. The next prime is 21022122201107. The reversal of 21022122201098 is 89010222122012.

It can be written as a sum of positive squares in 4 ways, for example, as 20503300195249 + 518822005849 = 4528057^2 + 720293^2 .

It is not an unprimeable number, because it can be changed into a prime (21022122201097) 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, 5189693 + ... + 8305248.

Almost surely, 2^{21022122201098} is an apocalyptic number.

21022122201098 is a deficient number, since it is larger than the sum of its proper divisors (12366685436926).

21022122201098 is a wasteful number, since it uses less digits than its factorization.

21022122201098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13540777.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 21022122201098 in words is "twenty-one trillion, twenty-two billion, one hundred twenty-two million, two hundred one thousand, ninety-eight".