22101203121013 has 2 divisors, whose sum is σ = 22101203121014. Its totient is φ = 22101203121012.

The previous prime is 22101203121007. The next prime is 22101203121029. The reversal of 22101203121013 is 31012130210122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12433966549489 + 9667236571524 = 3526183^2 + 3109218^2 .

It is a cyclic number.

It is not a de Polignac number, because 22101203121013 - 2⁹ = 22101203120501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22101203121313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050601560506 + 11050601560507.

It is an arithmetic number, because the mean of its divisors is an integer number (11050601560507).

Almost surely, 2^{22101203121013} is an apocalyptic number.

It is an amenable number.

22101203121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22101203121013 is an equidigital number, since it uses as much as digits as its factorization.

22101203121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22101203121013 its reverse (31012130210122), we get a palindrome (53113333331135).

The spelling of 22101203121013 in words is "twenty-two trillion, one hundred one billion, two hundred three million, one hundred twenty-one thousand, thirteen".