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2212100210100 = 22352115988712809
BaseRepresentation
bin100000001100001011011…
…100100111110110110100
321211110211001210220020010
4200030023130213312310
5242220340123210400
64412120320340220
7315550622354364
oct40141334476664
97743731726203
102212100210100
11783167998a20
122b8877a74670
131307a5703381
14790cd9d69a4
153c81d8b9450
hex2030b727db4

2212100210100 has 288 divisors, whose sum is σ = 7109094988800. Its totient is φ = 526542003200.

The previous prime is 2212100210087. The next prime is 2212100210113. The reversal of 2212100210100 is 10120012122.

It is an interprime number because it is at equal distance from previous prime (2212100210087) and next prime (2212100210113).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 172692496 + ... + 172705304.

It is an arithmetic number, because the mean of its divisors is an integer number (24684357600).

Almost surely, 22212100210100 is an apocalyptic number.

2212100210100 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 2212100210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3554547494400).

2212100210100 is an abundant number, since it is smaller than the sum of its proper divisors (4896994778700).

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

2212100210100 is a wasteful number, since it uses less digits than its factorization.

2212100210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783 (or 13776 counting only the distinct ones).

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

Adding to 2212100210100 its reverse (10120012122), we get a palindrome (2222220222222).

The spelling of 2212100210100 in words is "two trillion, two hundred twelve billion, one hundred million, two hundred ten thousand, one hundred".