401203202021013 has 16 divisors (see below), whose sum is σ = 611365959248000. Its totient is φ = 229255710448896.

The previous prime is 401203202020991. The next prime is 401203202021029. The reversal of 401203202021013 is 310120202302104.

It is not a de Polignac number, because 401203202021013 - 2⁴⁴ = 383611015976597 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401203202121013) 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, 134410888 + ... + 137363361.

It is an arithmetic number, because the mean of its divisors is an integer number (38210372453000).

Almost surely, 2^{401203202021013} is an apocalyptic number.

It is an amenable number.

401203202021013 is a deficient number, since it is larger than the sum of its proper divisors (210162757226987).

401203202021013 is a wasteful number, since it uses less digits than its factorization.

401203202021013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271844556.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 401203202021013 its reverse (310120202302104), we get a palindrome (711323404323117).

The spelling of 401203202021013 in words is "four hundred one trillion, two hundred three billion, two hundred two million, twenty-one thousand, thirteen".