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1010021122 = 21124173641
BaseRepresentation
bin111100001100111…
…011001100000010
32121101112101111201
4330030323030002
54032031133442
6244120131414
734013015665
oct7414731402
92541471451
101010021122
11479148900
12242306b6a
13131338546
14981d96dc
155da107b7
hex3c33b302

1010021122 has 12 divisors (see below), whose sum is σ = 1665283158. Its totient is φ = 459100400.

The previous prime is 1010021099. The next prime is 1010021123. The reversal of 1010021122 is 2211200101.

It can be written as a sum of positive squares in only one way, i.e., 1009904841 + 116281 = 31779^2 + 341^2 .

It is a super-2 number, since 2×10100211222 = 2040285333772277768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1010021099 and 1010021108.

It is not an unprimeable number, because it can be changed into a prime (1010021123) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2086579 + ... + 2087062.

Almost surely, 21010021122 is an apocalyptic number.

1010021122 is a deficient number, since it is larger than the sum of its proper divisors (655262036).

1010021122 is a wasteful number, since it uses less digits than its factorization.

1010021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173665 (or 4173654 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010021122 is about 31780.8294731273. The cubic root of 1010021122 is about 1003.3292776099.

Adding to 1010021122 its reverse (2211200101), we get a palindrome (3221221223).

The spelling of 1010021122 in words is "one billion, ten million, twenty-one thousand, one hundred twenty-two".

Divisors: 1 2 11 22 121 242 4173641 8347282 45910051 91820102 505010561 1010021122