22122220102201 has 8 divisors (see below), whose sum is σ = 22250764827720. Its totient is φ = 21993683085312.

The previous prime is 22122220102159. The next prime is 22122220102259. The reversal of 22122220102201 is 10220102222122.

It can be written as a sum of positive squares in 4 ways, for example, as 859423556601 + 21262796545600 = 927051^2 + 4611160^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22122220102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122220106201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3879801 + ... + 7700473.

It is an arithmetic number, because the mean of its divisors is an integer number (2781345603465).

Almost surely, 2^{22122220102201} is an apocalyptic number.

It is an amenable number.

22122220102201 is a deficient number, since it is larger than the sum of its proper divisors (128544725519).

22122220102201 is a wasteful number, since it uses less digits than its factorization.

22122220102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854315.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22122220102201 its reverse (10220102222122), we get a palindrome (32342322324323).

The spelling of 22122220102201 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred twenty million, one hundred two thousand, two hundred one".