21222333202101 has 16 divisors (see below), whose sum is σ = 28955522112000. Its totient is φ = 13818706418160.

The previous prime is 21222333201983. The next prime is 21222333202111. The reversal of 21222333202101 is 10120233322212.

It is not a de Polignac number, because 21222333202101 - 2³⁵ = 21187973463733 is a prime.

It is a super-2 number, since 2×21222333202101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222333202111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 790056 + ... + 6562686.

It is an arithmetic number, because the mean of its divisors is an integer number (1809720132000).

Almost surely, 2^{21222333202101} is an apocalyptic number.

It is an amenable number.

21222333202101 is a deficient number, since it is larger than the sum of its proper divisors (7733188909899).

21222333202101 is a wasteful number, since it uses less digits than its factorization.

21222333202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5801176.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21222333202101 its reverse (10120233322212), we get a palindrome (31342566524313).

The spelling of 21222333202101 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred thirty-three million, two hundred two thousand, one hundred one".