201421020334344 has 16 divisors (see below), whose sum is σ = 503552550835920. Its totient is φ = 67140340111440.

The previous prime is 201421020334283. The next prime is 201421020334357. The reversal of 201421020334344 is 443433020124102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4196271256942 + ... + 4196271256989.

It is an arithmetic number, because the mean of its divisors is an integer number (31472034427245).

Almost surely, 2^{201421020334344} is an apocalyptic number.

201421020334344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201421020334344 is an abundant number, since it is smaller than the sum of its proper divisors (302131530501576).

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

201421020334344 is a wasteful number, since it uses less digits than its factorization.

201421020334344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392542513940 (or 8392542513936 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 201421020334344 its reverse (443433020124102), we get a palindrome (644854040458446).

The spelling of 201421020334344 in words is "two hundred one trillion, four hundred twenty-one billion, twenty million, three hundred thirty-four thousand, three hundred forty-four".