401302402121 has 8 divisors (see below), whose sum is σ = 440789824320. Its totient is φ = 363651604272.

The previous prime is 401302402093. The next prime is 401302402157. The reversal of 401302402121 is 121204203104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401302402121 - 2⁶ = 401302402057 is a prime.

It is a super-2 number, since 2×401302402121² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401302402093 and 401302402102.

It is not an unprimeable number, because it can be changed into a prime (401302402621) 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 in 7 ways as a sum of consecutive naturals, for example, 459155630 + ... + 459156503.

It is an arithmetic number, because the mean of its divisors is an integer number (55098728040).

Almost surely, 2^401302402121 is an apocalyptic number.

It is an amenable number.

401302402121 is a deficient number, since it is larger than the sum of its proper divisors (39487422199).

401302402121 is a wasteful number, since it uses less digits than its factorization.

401302402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918312175.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 401302402121 its reverse (121204203104), we get a palindrome (522506605225).

The spelling of 401302402121 in words is "four hundred one billion, three hundred two million, four hundred two thousand, one hundred twenty-one".