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1122211101020 = 22569181201961
BaseRepresentation
bin10000010101001000111…
…111100111100101011100
310222021121211011121100212
4100111020333213211130
5121341242020213040
62215311530311552
7144035302654052
oct20251077474534
93867554147325
101122211101020
113a2a21a01a29
121615aa2885b8
1381a935a02b9
143c45b2ba1d2
151e2d08ccd65
hex10548fe795c

1122211101020 has 24 divisors (see below), whose sum is σ = 2360053823568. Its totient is φ = 448234819200.

The previous prime is 1122211101017. The next prime is 1122211101031. The reversal of 1122211101020 is 201011122211.

It is a junction number, because it is equal to n+sod(n) for n = 1122211100986 and 1122211101004.

It is a congruent 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, 40587161 + ... + 40614800.

It is an arithmetic number, because the mean of its divisors is an integer number (98335575982).

Almost surely, 21122211101020 is an apocalyptic number.

1122211101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122211101020 is an abundant number, since it is smaller than the sum of its proper divisors (1237842722548).

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

1122211101020 is a wasteful number, since it uses less digits than its factorization.

1122211101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81202661 (or 81202659 counting only the distinct ones).

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

Adding to 1122211101020 its reverse (201011122211), we get a palindrome (1323222223231).

The spelling of 1122211101020 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 691 1382 2764 3455 6910 13820 81201961 162403922 324807844 406009805 812019610 1624039220 56110555051 112221110102 224442220204 280552775255 561105550510 1122211101020