40121104311401 has 2 divisors, whose sum is σ = 40121104311402. Its totient is φ = 40121104311400.

The previous prime is 40121104311373. The next prime is 40121104311419. The reversal of 40121104311401 is 10411340112104.

40121104311401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32883928271401 + 7237176040000 = 5734451^2 + 2690200^2 .

It is a cyclic number.

It is not a de Polignac number, because 40121104311401 - 2²² = 40121100117097 is a prime.

It is a super-2 number, since 2×40121104311401² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40121104301401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060552155700 + 20060552155701.

It is an arithmetic number, because the mean of its divisors is an integer number (20060552155701).

Almost surely, 2^{40121104311401} is an apocalyptic number.

It is an amenable number.

40121104311401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40121104311401 is an equidigital number, since it uses as much as digits as its factorization.

40121104311401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 40121104311401 its reverse (10411340112104), we get a palindrome (50532444423505).

The spelling of 40121104311401 in words is "forty trillion, one hundred twenty-one billion, one hundred four million, three hundred eleven thousand, four hundred one".