21333454420014 has 48 divisors (see below), whose sum is σ = 52292103776640. Its totient is φ = 6464683155960.

The previous prime is 21333454419973. The next prime is 21333454420177. The reversal of 21333454420014 is 41002445433312.

21333454420014 is a `hidden beast` number, since 21 + 33 + 34 + 544 + 20 + 0 + 14 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1995267234 + ... + 1995277925.

It is an arithmetic number, because the mean of its divisors is an integer number (1089418828680).

Almost surely, 2^{21333454420014} is an apocalyptic number.

21333454420014 is an abundant number, since it is smaller than the sum of its proper divisors (30958649356626).

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

21333454420014 is a wasteful number, since it uses less digits than its factorization.

21333454420014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990545187 (or 3990545175 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 21333454420014 its reverse (41002445433312), we get a palindrome (62335899853326).

The spelling of 21333454420014 in words is "twenty-one trillion, three hundred thirty-three billion, four hundred fifty-four million, four hundred twenty thousand, fourteen".