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21010022102001 = 37723790673391
BaseRepresentation
bin1001100011011110001101…
…11001110111001111110001
32202101112112120020110111210
410301233012321313033301
510223212011124231001
6112403512041030333
74265631635155122
oct461570671671761
982345476213453
1021010022102001
116770333823559
122433a71a853a9
13b9530ca07b3a
14528c6773c049
152667bb3c3dd6
hex131bc6e773f1

21010022102001 has 8 divisors (see below), whose sum is σ = 28013725805184. Its totient is φ = 14006499900080.

The previous prime is 21010022101949. The next prime is 21010022102023. The reversal of 21010022102001 is 10020122001012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21010022102001 - 214 = 21010022085617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21010022102401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45104985 + ... + 45568406.

It is an arithmetic number, because the mean of its divisors is an integer number (3501715725648).

Almost surely, 221010022102001 is an apocalyptic number.

It is an amenable number.

21010022102001 is a deficient number, since it is larger than the sum of its proper divisors (7003703703183).

21010022102001 is an equidigital number, since it uses as much as digits as its factorization.

21010022102001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90750631.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21010022102001 its reverse (10020122001012), we get a palindrome (31030144103013).

The spelling of 21010022102001 in words is "twenty-one trillion, ten billion, twenty-two million, one hundred two thousand, one".

Divisors: 1 3 77237 231711 90673391 272020173 7003340700667 21010022102001