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20121102020102 = 253032074991433
BaseRepresentation
bin1001001001100110011110…
…01000110110111000000110
32122020120002012021112112112
410210303033020312320012
510114131004104120402
6110443301234421022
74144462444142606
oct444631710667006
978216065245475
1020121102020102
116458347597176
12230b730431772
13b2c5478a83b5
144d7c1baaac06
1524d5e1970e52
hex124ccf236e06

20121102020102 has 16 divisors (see below), whose sum is σ = 30189129516000. Its totient is φ = 10058059083072.

The previous prime is 20121102020057. The next prime is 20121102020119. The reversal of 20121102020102 is 20102020112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220018178 + ... + 220109610.

It is an arithmetic number, because the mean of its divisors is an integer number (1886820594750).

Almost surely, 220121102020102 is an apocalyptic number.

20121102020102 is a deficient number, since it is larger than the sum of its proper divisors (10068027495898).

20121102020102 is a wasteful number, since it uses less digits than its factorization.

20121102020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117487.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20121102020102 its reverse (20102020112102), we get a palindrome (40223122132204).

The spelling of 20121102020102 in words is "twenty trillion, one hundred twenty-one billion, one hundred two million, twenty thousand, one hundred two".

Divisors: 1 2 5303 10606 20749 41498 91433 182866 110031947 220063894 484869199 969738398 1897143317 3794286634 10060551010051 20121102020102