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1110110220021 = 31155760394441
BaseRepresentation
bin10000001001110111101…
…110011010111011110101
310221010101111020011022010
4100021313232122323311
5121142001204020041
62205551054354433
7143126365115445
oct20116756327365
93833344204263
101110110220021
11398882307a30
1215b1917bba19
13808b5576c9a
143ba3011c125
151dd23381a16
hex10277b9aef5

1110110220021 has 16 divisors (see below), whose sum is σ = 1617604734528. Its totient is φ = 671586172800.

The previous prime is 1110110220019. The next prime is 1110110220101. The reversal of 1110110220021 is 1200220110111.

It is not a de Polignac number, because 1110110220021 - 21 = 1110110220019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110110219979 and 1110110220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110110270021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30178840 + ... + 30215601.

It is an arithmetic number, because the mean of its divisors is an integer number (101100295908).

Almost surely, 21110110220021 is an apocalyptic number.

1110110220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110110220021 is a deficient number, since it is larger than the sum of its proper divisors (507494514507).

1110110220021 is a wasteful number, since it uses less digits than its factorization.

1110110220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60395012.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1110110220021 its reverse (1200220110111), we get a palindrome (2310330330132).

The spelling of 1110110220021 in words is "one trillion, one hundred ten billion, one hundred ten million, two hundred twenty thousand, twenty-one".

Divisors: 1 3 11 33 557 1671 6127 18381 60394441 181183323 664338851 1993016553 33639703637 100919110911 370036740007 1110110220021