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1112120210210 = 251080131029617
BaseRepresentation
bin10000001011101111100…
…001111011001100100010
310221022120120101020111012
4100023233201323030202
5121210110233211320
62210522335420522
7143230242546242
oct20135741731442
93838516336435
101112120210210
11399713958349
1215b652984742
1380b45b0b5a9
143bb81057b22
151dddea694c5
hex102ef87b322

1112120210210 has 16 divisors (see below), whose sum is σ = 2001836855736. Its totient is φ = 444843533568.

The previous prime is 1112120210189. The next prime is 1112120210263. The reversal of 1112120210210 is 120120212111.

It can be written as a sum of positive squares in 4 ways, for example, as 632036130049 + 480084080161 = 795007^2 + 692881^2 .

It is a super-2 number, since 2×11121202102102 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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, 565322 + ... + 1594938.

Almost surely, 21112120210210 is an apocalyptic number.

1112120210210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1112120210210 is a deficient number, since it is larger than the sum of its proper divisors (889716645526).

1112120210210 is a wasteful number, since it uses less digits than its factorization.

1112120210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137637.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1112120210210 its reverse (120120212111), we get a palindrome (1232240422321).

The spelling of 1112120210210 in words is "one trillion, one hundred twelve billion, one hundred twenty million, two hundred ten thousand, two hundred ten".

Divisors: 1 2 5 10 108013 216026 540065 1029617 1080130 2059234 5148085 10296170 111212021021 222424042042 556060105105 1112120210210