21313301420202 has 16 divisors (see below), whose sum is σ = 46501748553312. Its totient is φ = 6458576187920.

The previous prime is 21313301420143. The next prime is 21313301420249. The reversal of 21313301420202 is 20202410331312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161464404633 + ... + 161464404764.

It is an arithmetic number, because the mean of its divisors is an integer number (2906359284582).

Almost surely, 2^{21313301420202} is an apocalyptic number.

21313301420202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21313301420202 is an abundant number, since it is smaller than the sum of its proper divisors (25188447133110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21313301420202 is a wasteful number, since it uses less digits than its factorization.

21313301420202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322928809413.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21313301420202 its reverse (20202410331312), we get a palindrome (41515711751514).

The spelling of 21313301420202 in words is "twenty-one trillion, three hundred thirteen billion, three hundred one million, four hundred twenty thousand, two hundred two".