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1010222112121 = 2343922700527
BaseRepresentation
bin11101011001101011110…
…11100001110101111001
310120120120010010112011021
432230311323201311321
5113022413330041441
62052031205502441
7132662150162125
oct16546573416571
93516503115137
101010222112121
1135a484056042
12143955411a21
1374356cb2bb1
1436c75ca6585
151b428d9a3d1
hexeb35ee1d79

1010222112121 has 4 divisors (see below), whose sum is σ = 1054144812672. Its totient is φ = 966299411572.

The previous prime is 1010222112089. The next prime is 1010222112127. The reversal of 1010222112121 is 1212112220101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010222112121 - 25 = 1010222112089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010222112095 and 1010222112104.

It is not an unprimeable number, because it can be changed into a prime (1010222112127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21961350241 + ... + 21961350286.

It is an arithmetic number, because the mean of its divisors is an integer number (263536203168).

Almost surely, 21010222112121 is an apocalyptic number.

It is an amenable number.

1010222112121 is a deficient number, since it is larger than the sum of its proper divisors (43922700551).

1010222112121 is an equidigital number, since it uses as much as digits as its factorization.

1010222112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43922700550.

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

Adding to 1010222112121 its reverse (1212112220101), we get a palindrome (2222334332222).

The spelling of 1010222112121 in words is "one trillion, ten billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty-one".

Divisors: 1 23 43922700527 1010222112121