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10002101012221 = 139148748391097
BaseRepresentation
bin1001000110001100101110…
…1011011000011011111101
31022102012011121122201202211
42101203023223120123331
52302333300324342341
633134522441020421
72051425246555333
oct221431353303375
938365147581684
1010002101012221
11320695a2a365a
121156583484711
1357726a50c016
1426816619db53
1512529e60a181
hex918cbad86fd

10002101012221 has 8 divisors (see below), whose sum is σ = 10080833535360. Its totient is φ = 9923465274528.

The previous prime is 10002101012209. The next prime is 10002101012243. The reversal of 10002101012221 is 12221010120001.

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 10002101012221 - 243 = 1206007990013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002101012021) 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, 23988856 + ... + 24402241.

It is an arithmetic number, because the mean of its divisors is an integer number (1260104191920).

Almost surely, 210002101012221 is an apocalyptic number.

It is an amenable number.

10002101012221 is a deficient number, since it is larger than the sum of its proper divisors (78732523139).

10002101012221 is a wasteful number, since it uses less digits than its factorization.

10002101012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48392723.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10002101012221 its reverse (12221010120001), we get a palindrome (22223111132222).

The spelling of 10002101012221 in words is "ten trillion, two billion, one hundred one million, twelve thousand, two hundred twenty-one".

Divisors: 1 139 1487 206693 48391097 6726362483 71957561239 10002101012221