40121014410221 has 2 divisors, whose sum is σ = 40121014410222. Its totient is φ = 40121014410220.

The previous prime is 40121014410203. The next prime is 40121014410233. The reversal of 40121014410221 is 12201441012104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28468253869225 + 11652760540996 = 5335565^2 + 3413614^2 .

It is a cyclic number.

It is not a de Polignac number, because 40121014410221 - 2²² = 40121010215917 is a prime.

It is a super-2 number, since 2×40121014410221² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40121014410251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060507205110 + 20060507205111.

It is an arithmetic number, because the mean of its divisors is an integer number (20060507205111).

Almost surely, 2^{40121014410221} is an apocalyptic number.

It is an amenable number.

40121014410221 is a deficient number, since it is larger than the sum of its proper divisors (1).

40121014410221 is an equidigital number, since it uses as much as digits as its factorization.

40121014410221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 40121014410221 its reverse (12201441012104), we get a palindrome (52322455422325).

The spelling of 40121014410221 in words is "forty trillion, one hundred twenty-one billion, fourteen million, four hundred ten thousand, two hundred twenty-one".