21222022211101 has 16 divisors (see below), whose sum is σ = 21771402186240. Its totient is φ = 20678232556800.

The previous prime is 21222022211083. The next prime is 21222022211111. The reversal of 21222022211101 is 10111222022212.

It is a cyclic number.

It is not a de Polignac number, because 21222022211101 - 2⁷ = 21222022210973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222022211111) 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, 30005820 + ... + 30704938.

It is an arithmetic number, because the mean of its divisors is an integer number (1360712636640).

Almost surely, 2^{21222022211101} is an apocalyptic number.

It is an amenable number.

21222022211101 is a deficient number, since it is larger than the sum of its proper divisors (549379975139).

21222022211101 is a wasteful number, since it uses less digits than its factorization.

21222022211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703116.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 21222022211101 its reverse (10111222022212), we get a palindrome (31333244233313).

The spelling of 21222022211101 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-two million, two hundred eleven thousand, one hundred one".