21202101101022 has 16 divisors (see below), whose sum is σ = 43866416071440. Its totient is φ = 6823664722112.

The previous prime is 21202101101009. The next prime is 21202101101039. The reversal of 21202101101022 is 22010110120212.

It is a junction number, because it is equal to n+sod(n) for n = 21202101100992 and 21202101101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60925577703 + ... + 60925578050.

It is an arithmetic number, because the mean of its divisors is an integer number (2741651004465).

Almost surely, 2^{21202101101022} is an apocalyptic number.

21202101101022 is an abundant number, since it is smaller than the sum of its proper divisors (22664314970418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21202101101022 is a wasteful number, since it uses less digits than its factorization.

21202101101022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121851155787.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 21202101101022 its reverse (22010110120212), we get a palindrome (43212211221234).

The spelling of 21202101101022 in words is "twenty-one trillion, two hundred two billion, one hundred one million, one hundred one thousand, twenty-two".