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101120211020220 = 223577350354711987
BaseRepresentation
bin10110111111011111100010…
…010000011110100110111100
3111021000222221100222111120220
4112333133202100132212330
5101223223143010121340
6555021552244341340
730204460044540060
oct2677374220364674
9437028840874526
10101120211020220
112a246927a16867
12b4119360a4850
134456797241182
141ad835c611aa0
15ba557e7c0ed0
hex5bf7e241e9bc

101120211020220 has 384 divisors, whose sum is σ = 329297791205376. Its totient is φ = 22707763513344.

The previous prime is 101120211020201. The next prime is 101120211020237. The reversal of 101120211020220 is 22020112021101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 101120211020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8435817067 + ... + 8435829053.

It is an arithmetic number, because the mean of its divisors is an integer number (857546331264).

Almost surely, 2101120211020220 is an apocalyptic number.

101120211020220 is a gapful number since it is divisible by the number (10) 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 101120211020220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164648895602688).

101120211020220 is an abundant number, since it is smaller than the sum of its proper divisors (228177580185156).

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

101120211020220 is a wasteful number, since it uses less digits than its factorization.

101120211020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13129 (or 13127 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 101120211020220 its reverse (22020112021101), we get a palindrome (123140323041321).

The spelling of 101120211020220 in words is "one hundred one trillion, one hundred twenty billion, two hundred eleven million, twenty thousand, two hundred twenty".