22102122211201 has 4 divisors (see below), whose sum is σ = 23402247047172. Its totient is φ = 20801997375232.

The previous prime is 22102122211163. The next prime is 22102122211217. The reversal of 22102122211201 is 10211222120122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6407094938176 + 15695027273025 = 2531224^2 + 3961695^2 .

It is a cyclic number.

It is not a de Polignac number, because 22102122211201 - 2⁷ = 22102122211073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102122011201) 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 3 ways as a sum of consecutive naturals, for example, 650062417960 + ... + 650062417993.

It is an arithmetic number, because the mean of its divisors is an integer number (5850561761793).

Almost surely, 2^{22102122211201} is an apocalyptic number.

It is an amenable number.

22102122211201 is a deficient number, since it is larger than the sum of its proper divisors (1300124835971).

22102122211201 is a wasteful number, since it uses less digits than its factorization.

22102122211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300124835970.

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

Adding to 22102122211201 its reverse (10211222120122), we get a palindrome (32313344331323).

The spelling of 22102122211201 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred one".