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1112201112220 = 225115055459601
BaseRepresentation
bin10000001011110100010…
…110100010101010011100
310221022210012121111011221
4100023310112202222130
5121210241441042340
62210534345423124
7143232244320202
oct20136426425234
93838705544157
101112201112220
11399755595210
1215b675a9aaa4
1380b597c63c3
143bb8bab7072
151dde6bea44a
hex102f45a2a9c

1112201112220 has 24 divisors (see below), whose sum is σ = 2547951639408. Its totient is φ = 404436768000.

The previous prime is 1112201112173. The next prime is 1112201112227. The reversal of 1112201112220 is 222111022111.

It is a junction number, because it is equal to n+sod(n) for n = 1112201112194 and 1112201112203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112201112227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2527729581 + ... + 2527730020.

It is an arithmetic number, because the mean of its divisors is an integer number (106164651642).

Almost surely, 21112201112220 is an apocalyptic number.

1112201112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112201112220 is an abundant number, since it is smaller than the sum of its proper divisors (1435750527188).

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

1112201112220 is a wasteful number, since it uses less digits than its factorization.

1112201112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055459621 (or 5055459619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1112201112220 its reverse (222111022111), we get a palindrome (1334312134331).

The spelling of 1112201112220 in words is "one trillion, one hundred twelve billion, two hundred one million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 5055459601 10110919202 20221838404 25277298005 50554596010 55610055611 101109192020 111220111222 222440222444 278050278055 556100556110 1112201112220