21222010201101 has 32 divisors (see below), whose sum is σ = 29298903908736. Its totient is φ = 13652945280000.

The previous prime is 21222010201087. The next prime is 21222010201129. The reversal of 21222010201101 is 10110201022212.

It is not a de Polignac number, because 21222010201101 - 2¹³ = 21222010192909 is a prime.

It is a super-4 number, since 4×21222010201101⁴ (a number of 54 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222010201141) 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 31 ways as a sum of consecutive naturals, for example, 25783161 + ... + 26593521.

It is an arithmetic number, because the mean of its divisors is an integer number (915590747148).

Almost surely, 2^{21222010201101} is an apocalyptic number.

It is an amenable number.

21222010201101 is a deficient number, since it is larger than the sum of its proper divisors (8076893707635).

21222010201101 is a wasteful number, since it uses less digits than its factorization.

21222010201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812333.

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

Adding to 21222010201101 its reverse (10110201022212), we get a palindrome (31332211223313).

The spelling of 21222010201101 in words is "twenty-one trillion, two hundred twenty-two billion, ten million, two hundred one thousand, one hundred one".