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2221010010120 = 23351110118678923
BaseRepresentation
bin100000010100011110100…
…000110100000000001000
321212022211000011122010110
4200110132200310000020
5242342112030310440
64420152400314320
7316314461410626
oct40243640640010
97768730148113
102221010010120
11786a1a281610
122ba5439129a0
131315955916a5
14796d704c516
153cb90bca080
hex2051e834008

2221010010120 has 256 divisors, whose sum is σ = 7345482900480. Its totient is φ = 532750464000.

The previous prime is 2221010010097. The next prime is 2221010010173. The reversal of 2221010010120 is 210100101222.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2221010010096 and 2221010010105.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 248903979 + ... + 248912901.

It is an arithmetic number, because the mean of its divisors is an integer number (28693292580).

Almost surely, 22221010010120 is an apocalyptic number.

2221010010120 is a gapful number since it is divisible by the number (20) 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 2221010010120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672741450240).

2221010010120 is an abundant number, since it is smaller than the sum of its proper divisors (5124472890360).

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

2221010010120 is a wasteful number, since it uses less digits than its factorization.

2221010010120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10916 (or 10912 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2221010010120 its reverse (210100101222), we get a palindrome (2431110111342).

It can be divided in two parts, 2 and 221010010120, that added together give a palindrome (221010010122).

The spelling of 2221010010120 in words is "two trillion, two hundred twenty-one billion, ten million, ten thousand, one hundred twenty".