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21220011002212 = 2211991486652853
BaseRepresentation
bin1001101001100101010110…
…01101111100100101100100
32210010121120001101212002021
410310302223031330211210
510240132040304032322
6113044201035552524
74320044440314151
oct464625315744544
983117501355067
1021220011002212
1168413a1008290
1224686b68bb744
13bac066629149
145350a82d3228
1526beab7624c7
hex134cab37c964

21220011002212 has 24 divisors (see below), whose sum is σ = 40551809018112. Its totient is φ = 9635726469600.

The previous prime is 21220011002191. The next prime is 21220011002243.

It is a happy number.

21220011002212 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243282823 + ... + 243370030.

It is an arithmetic number, because the mean of its divisors is an integer number (1689658709088).

Almost surely, 221220011002212 is an apocalyptic number.

21220011002212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21220011002212 is a deficient number, since it is larger than the sum of its proper divisors (19331798015900).

21220011002212 is a wasteful number, since it uses less digits than its factorization.

21220011002212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486653859 (or 486653857 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 2122001 and 1002212, that added together give a palindrome (3124213).

The spelling of 21220011002212 in words is "twenty-one trillion, two hundred twenty billion, eleven million, two thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 991 1982 3964 10901 21802 43604 486652853 973305706 1946611412 5353181383 10706362766 21412725532 482272977323 964545954646 1929091909292 5305002750553 10610005501106 21220011002212