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10221102101052 = 223623295255141
BaseRepresentation
bin1001010010111100100100…
…1010001111001000111100
31100012010110011211202000000
42110233021022033020330
52314430304114213202
633423302014234300
72103310303241643
oct224571112171074
940163404752000
1010221102101052
113290821744057
121190b024b5990
13591acc28a40b
142749bda2035a
1512ad1ac8191c
hex94bc928f23c

10221102101052 has 168 divisors, whose sum is σ = 28949105838240. Its totient is φ = 3146525585280.

The previous prime is 10221102101051. The next prime is 10221102101069. The reversal of 10221102101052 is 25010120112201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221102101051) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 682599 + ... + 4572542.

It is an arithmetic number, because the mean of its divisors is an integer number (172316106180).

Almost surely, 210221102101052 is an apocalyptic number.

10221102101052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10221102101052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14474552919120).

10221102101052 is an abundant number, since it is smaller than the sum of its proper divisors (18728003737188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10221102101052 is a wasteful number, since it uses less digits than its factorization.

10221102101052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255215 (or 5255198 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 10221102101052 its reverse (25010120112201), we get a palindrome (35231222213253).

The spelling of 10221102101052 in words is "ten trillion, two hundred twenty-one billion, one hundred two million, one hundred one thousand, fifty-two".