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101021110220 = 22511814276931
BaseRepresentation
bin101111000010101010…
…0111100111111001100
3100122202100001010010202
41132011110330333030
53123342401011340
6114224120553032
710204253161142
oct1360524747714
9318670033122
10101021110220
113992a868348
12176b3922778
1396ac22b484
144c64905592
152963bdac15
hex178553cfcc

101021110220 has 24 divisors (see below), whose sum is σ = 212324012208. Its totient is φ = 40374219200.

The previous prime is 101021110219. The next prime is 101021110243. The reversal of 101021110220 is 22011120101.

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, 2114846 + ... + 2162085.

It is an arithmetic number, because the mean of its divisors is an integer number (8846833842).

Almost surely, 2101021110220 is an apocalyptic number.

101021110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021110220 is an abundant number, since it is smaller than the sum of its proper divisors (111302901988).

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

101021110220 is a wasteful number, since it uses less digits than its factorization.

101021110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4278121 (or 4278119 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101021110220 its reverse (22011120101), we get a palindrome (123032230321).

The spelling of 101021110220 in words is "one hundred one billion, twenty-one million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1181 2362 4724 5905 11810 23620 4276931 8553862 17107724 21384655 42769310 85538620 5051055511 10102111022 20204222044 25255277555 50510555110 101021110220