22021032121013 has 2 divisors, whose sum is σ = 22021032121014. Its totient is φ = 22021032121012.

The previous prime is 22021032120949. The next prime is 22021032121027. The reversal of 22021032121013 is 31012123012022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11369992851364 + 10651039269649 = 3371942^2 + 3263593^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021032121013 - 2⁶ = 22021032120949 is a prime.

It is a super-2 number, since 2×22021032121013² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22021032121213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010516060506 + 11010516060507.

It is an arithmetic number, because the mean of its divisors is an integer number (11010516060507).

Almost surely, 2^{22021032121013} is an apocalyptic number.

It is an amenable number.

22021032121013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021032121013 is an equidigital number, since it uses as much as digits as its factorization.

22021032121013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22021032121013 its reverse (31012123012022), we get a palindrome (53033155133035).

The spelling of 22021032121013 in words is "twenty-two trillion, twenty-one billion, thirty-two million, one hundred twenty-one thousand, thirteen".