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210112110022220 = 2257172924112631621
BaseRepresentation
bin101111110001100010001001…
…101011100100111001001100
31000112221112002012122112002222
4233301202021223210321030
5210014434100131202340
62022512100521234512
762154045646310630
oct5761421153447114
91015845065575088
10210112110022220
1160a4805555039a
121b695174632a38
139031643b00b53
1439c56a2270dc0
1519457714718b5
hexbf1889ae4e4c

210112110022220 has 192 divisors, whose sum is σ = 554635321954560. Its totient is φ = 65191285555200.

The previous prime is 210112110022211. The next prime is 210112110022291. The reversal of 210112110022220 is 22220011211012.

210112110022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 10318010 + ... + 22949630.

It is an arithmetic number, because the mean of its divisors is an integer number (2888725635180).

Almost surely, 2210112110022220 is an apocalyptic number.

210112110022220 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 210112110022220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277317660977280).

210112110022220 is an abundant number, since it is smaller than the sum of its proper divisors (344523211932340).

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

210112110022220 is a wasteful number, since it uses less digits than its factorization.

210112110022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631924 (or 12631922 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210112110022220 its reverse (22220011211012), we get a palindrome (232332121233232).

The spelling of 210112110022220 in words is "two hundred ten trillion, one hundred twelve billion, one hundred ten million, twenty-two thousand, two hundred twenty".