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1010220210021 = 3112312697104827
BaseRepresentation
bin11101011001101011101…
…00010001011101100101
310120120112222112212222010
432230311310101131211
5113022412333210041
62052031101024433
7132662125050501
oct16546564213545
93516488485863
101010220210021
1135a482a76a60
12143954855119
13743567981a9
1436c7592d301
151b428b21a16
hexeb35d11765

1010220210021 has 32 divisors (see below), whose sum is σ = 1533434047488. Its totient is φ = 585583194240.

The previous prime is 1010220210017. The next prime is 1010220210031. The reversal of 1010220210021 is 1200120220101.

It is not a de Polignac number, because 1010220210021 - 22 = 1010220210017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010220209979 and 1010220210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010220210031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9584610 + ... + 9689436.

It is an arithmetic number, because the mean of its divisors is an integer number (47919813984).

Almost surely, 21010220210021 is an apocalyptic number.

1010220210021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010220210021 is a deficient number, since it is larger than the sum of its proper divisors (523213837467).

1010220210021 is a wasteful number, since it uses less digits than its factorization.

1010220210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117561.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010220210021 its reverse (1200120220101), we get a palindrome (2210340430122).

The spelling of 1010220210021 in words is "one trillion, ten billion, two hundred twenty million, two hundred ten thousand, twenty-one".

Divisors: 1 3 11 23 33 69 253 759 12697 38091 104827 139667 292031 314481 419001 876093 1153097 2411021 3212341 3459291 7233063 9637023 26521231 79563693 1330988419 3992965257 14640872609 30612733637 43922617827 91838200911 336740070007 1010220210021