22201220022101 has 2 divisors, whose sum is σ = 22201220022102. Its totient is φ = 22201220022100.

The previous prime is 22201220022083. The next prime is 22201220022119. The reversal of 22201220022101 is 10122002210222.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (22201220022083) and next prime (22201220022119).

It can be written as a sum of positive squares in only one way, i.e., 13256873718001 + 8944346304100 = 3640999^2 + 2990710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201220022101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22201220022101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22201222022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100610011050 + 11100610011051.

It is an arithmetic number, because the mean of its divisors is an integer number (11100610011051).

Almost surely, 2^{22201220022101} is an apocalyptic number.

It is an amenable number.

22201220022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201220022101 is an equidigital number, since it uses as much as digits as its factorization.

22201220022101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22201220022101 its reverse (10122002210222), we get a palindrome (32323222232323).

The spelling of 22201220022101 in words is "twenty-two trillion, two hundred one billion, two hundred twenty million, twenty-two thousand, one hundred one".