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210201121102220 = 22539494326611577
BaseRepresentation
bin101111110010110101000011…
…001001111001100110001100
31000120021000211112200220000122
4233302311003021321212030
5210022413344000232340
62023021021213444112
762163346510101533
oct5762650311714614
91016230745626018
10210201121102220
1160a81881a26226
121b6aa4761a0638
139039b5aa95261
1439c9b07aa731a
151947c30aa9db5
hexbf2d4327998c

210201121102220 has 24 divisors (see below), whose sum is σ = 441423488588544. Its totient is φ = 84080232388736.

The previous prime is 210201121102151. The next prime is 210201121102253. The reversal of 210201121102220 is 22201121102012.

It is a super-2 number, since 2×2102011211022202 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5406929 + ... + 21204648.

It is an arithmetic number, because the mean of its divisors is an integer number (18392645357856).

Almost surely, 2210201121102220 is an apocalyptic number.

210201121102220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210201121102220 is an abundant number, since it is smaller than the sum of its proper divisors (231222367486324).

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

210201121102220 is a wasteful number, since it uses less digits than its factorization.

210201121102220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27006529 (or 27006527 counting only the distinct ones).

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

Adding to 210201121102220 its reverse (22201121102012), we get a palindrome (232402242204232).

The spelling of 210201121102220 in words is "two hundred ten trillion, two hundred one billion, one hundred twenty-one million, one hundred two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 394943 789886 1579772 1974715 3949430 7898860 26611577 53223154 106446308 133057885 266115770 532231540 10510056055111 21020112110222 42040224220444 52550280275555 105100560551110 210201121102220