12221201120101 has 2 divisors, whose sum is σ = 12221201120102. Its totient is φ = 12221201120100.

The previous prime is 12221201120081. The next prime is 12221201120113. The reversal of 12221201120101 is 10102110212221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11748448615201 + 472752504900 = 3427601^2 + 687570^2 .

It is an emirp because it is prime and its reverse (10102110212221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12221201120101 - 2²⁵ = 12221167565669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221201120201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110600560050 + 6110600560051.

It is an arithmetic number, because the mean of its divisors is an integer number (6110600560051).

Almost surely, 2^{12221201120101} is an apocalyptic number.

It is an amenable number.

12221201120101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221201120101 is an equidigital number, since it uses as much as digits as its factorization.

12221201120101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12221201120101 its reverse (10102110212221), we get a palindrome (22323311332322).

The spelling of 12221201120101 in words is "twelve trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty thousand, one hundred one".