21202410301401 has 24 divisors (see below), whose sum is σ = 32885709212160. Its totient is φ = 12115538454432.

The previous prime is 21202410301357. The next prime is 21202410301433. The reversal of 21202410301401 is 10410301420212.

It is not a de Polignac number, because 21202410301401 - 2¹¹ = 21202410299353 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (21202410301441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14692735 + ... + 16071131.

It is an arithmetic number, because the mean of its divisors is an integer number (1370237883840).

Almost surely, 2^{21202410301401} is an apocalyptic number.

21202410301401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21202410301401 is a deficient number, since it is larger than the sum of its proper divisors (11683298910759).

21202410301401 is a wasteful number, since it uses less digits than its factorization.

21202410301401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483053 (or 1483046 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21202410301401 its reverse (10410301420212), we get a palindrome (31612711721613).

The spelling of 21202410301401 in words is "twenty-one trillion, two hundred two billion, four hundred ten million, three hundred one thousand, four hundred one".