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21122101002110 = 252112210100211
BaseRepresentation
bin1001100110101110111110…
…10100111011111101111110
32202210020211112110111201012
410303113133110323331332
510232031030324031420
6112531205332515222
74310010232122623
oct463273724737576
982706745414635
1021122101002110
116803918400029
122451730a7bb12
13ba2a61b15944
1453045aa7834a
1526967ac66dc5
hex1335df53bf7e

21122101002110 has 8 divisors (see below), whose sum is σ = 38019781803816. Its totient is φ = 8448840400840.

The previous prime is 21122101002097. The next prime is 21122101002137. The reversal of 21122101002110 is 1120010122112.

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

It is a super-2 number, since 2×211221010021102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1056105050096 + ... + 1056105050115.

It is an arithmetic number, because the mean of its divisors is an integer number (4752472725477).

Almost surely, 221122101002110 is an apocalyptic number.

21122101002110 is a deficient number, since it is larger than the sum of its proper divisors (16897680801706).

21122101002110 is a wasteful number, since it uses less digits than its factorization.

21122101002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112210100218.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21122101002110 its reverse (1120010122112), we get a palindrome (22242111124222).

The spelling of 21122101002110 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred one million, two thousand, one hundred ten".

Divisors: 1 2 5 10 2112210100211 4224420200422 10561050501055 21122101002110