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1020222221233 = 3113280457303
BaseRepresentation
bin11101101100010011111…
…10111010101110110001
310121112101001002200221211
432312021332322232301
5113203403342034413
62100403354520121
7133465025540155
oct16661176725661
93545331080854
101020222221233
11363745935026
12145886436041
137528ba0ac17
1437544057065
151b811c7a83d
hexed89fbabb1

1020222221233 has 4 divisors (see below), whose sum is σ = 1023502678848. Its totient is φ = 1016941763620.

The previous prime is 1020222221219. The next prime is 1020222221279. The reversal of 1020222221233 is 3321222220201.

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 1020222221233 - 213 = 1020222213041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020222221203) 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, 1640228341 + ... + 1640228962.

It is an arithmetic number, because the mean of its divisors is an integer number (255875669712).

Almost surely, 21020222221233 is an apocalyptic number.

It is an amenable number.

1020222221233 is a deficient number, since it is larger than the sum of its proper divisors (3280457615).

1020222221233 is an equidigital number, since it uses as much as digits as its factorization.

1020222221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280457614.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1020222221233 its reverse (3321222220201), we get a palindrome (4341444441434).

The spelling of 1020222221233 in words is "one trillion, twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 311 3280457303 1020222221233