4021404902101 has 2 divisors, whose sum is σ = 4021404902102. Its totient is φ = 4021404902100.

The previous prime is 4021404902089. The next prime is 4021404902111. The reversal of 4021404902101 is 1012094041204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3919611999601 + 101792902500 = 1979801^2 + 319050^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021404902101 - 2⁷ = 4021404901973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021404902101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021404902111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010702451050 + 2010702451051.

It is an arithmetic number, because the mean of its divisors is an integer number (2010702451051).

Almost surely, 2^{4021404902101} is an apocalyptic number.

It is an amenable number.

4021404902101 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021404902101 is an equidigital number, since it uses as much as digits as its factorization.

4021404902101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 4021404902101 its reverse (1012094041204), we get a palindrome (5033498943305).

The spelling of 4021404902101 in words is "four trillion, twenty-one billion, four hundred four million, nine hundred two thousand, one hundred one".