401121102001401 has 16 divisors (see below), whose sum is σ = 594253940280000. Its totient is φ = 267413862875904.

The previous prime is 401121102001357. The next prime is 401121102001423. The reversal of 401121102001401 is 104100201121104.

401121102001401 is a `hidden beast` number, since 40 + 1 + 1 + 21 + 1 + 0 + 200 + 1 + 401 = 666.

It is not a de Polignac number, because 401121102001401 - 2¹⁵ = 401121101968633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401121102001441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35593305 + ... + 45487641.

It is an arithmetic number, because the mean of its divisors is an integer number (37140871267500).

Almost surely, 2^{401121102001401} is an apocalyptic number.

It is an amenable number.

401121102001401 is a deficient number, since it is larger than the sum of its proper divisors (193132838278599).

401121102001401 is a wasteful number, since it uses less digits than its factorization.

401121102001401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11395845 (or 11395839 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 401121102001401 its reverse (104100201121104), we get a palindrome (505221303122505).

The spelling of 401121102001401 in words is "four hundred one trillion, one hundred twenty-one billion, one hundred two million, one thousand, four hundred one".