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2122000100220 = 223571113374353419
BaseRepresentation
bin11110111000010001000…
…011111110101101111100
321111212020211120002011110
4132320101003332231330
5234231324011201340
64302500002322020
7306211066150320
oct36702103765574
97455224502143
102122000100220
11748a318108a0
122a3311659310
13125146c2c5a0
14749c36b9980
153a2e8865680
hex1ee110feb7c

2122000100220 has 1536 divisors, whose sum is σ = 8562249400320. Its totient is φ = 378602864640.

The previous prime is 2122000100197. The next prime is 2122000100267. The reversal of 2122000100220 is 220010002212.

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 = 2122000100196 and 2122000100205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 5064439171 + ... + 5064439589.

It is an arithmetic number, because the mean of its divisors is an integer number (5574381120).

Almost surely, 22122000100220 is an apocalyptic number.

2122000100220 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 2122000100220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4281124700160).

2122000100220 is an abundant number, since it is smaller than the sum of its proper divisors (6440249300100).

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

2122000100220 is a wasteful number, since it uses less digits than its factorization.

2122000100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2122000100220 its reverse (220010002212), we get a palindrome (2342010102432).

The spelling of 2122000100220 in words is "two trillion, one hundred twenty-two billion, one hundred thousand, two hundred twenty".